Andrew Grey

19.3k total citations · 8 hit papers
270 papers, 13.6k citations indexed

About

Andrew Grey is a scholar working on Orthopedics and Sports Medicine, Oncology and Pathology and Forensic Medicine. According to data from OpenAlex, Andrew Grey has authored 270 papers receiving a total of 13.6k indexed citations (citations by other indexed papers that have themselves been cited), including 107 papers in Orthopedics and Sports Medicine, 68 papers in Oncology and 65 papers in Pathology and Forensic Medicine. Recurrent topics in Andrew Grey's work include Bone health and osteoporosis research (93 papers), Vitamin D Research Studies (64 papers) and Bone health and treatments (62 papers). Andrew Grey is often cited by papers focused on Bone health and osteoporosis research (93 papers), Vitamin D Research Studies (64 papers) and Bone health and treatments (62 papers). Andrew Grey collaborates with scholars based in New Zealand, United Kingdom and United States. Andrew Grey's co-authors include Mark J Bolland, Ian R. Reid, Greg Gamble, Anne Horne, Alison Avenell, Ruth Ames, G. D. Gamble, Karen E. Callon, Barbara Mason and Graeme MacLennan and has published in prestigious journals such as Nature, New England Journal of Medicine and The Lancet.

In The Last Decade

Andrew Grey

263 papers receiving 13.1k citations

Hit Papers

Effect of calcium supplements on risk of myocardial infar... 2008 2026 2014 2020 2010 2011 2013 2008 2014 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Effect of calcium supplements on risk of myocardial infarction and cardiovascular events: meta-analysis
    2010 710 citations Mark J Bolland, A Avenell et al. BMJ profile →
  2. Calcium supplements with or without vitamin D and risk of cardiovascular events: reanalysis of the Women's Health Initiative limited access dataset and meta-analysis
    2011 578 citations Mark J Bolland, Andrew Grey et al. BMJ profile →
  3. Effects of vitamin D supplements on bone mineral density: a systematic review and meta-analysis
    2013 473 citations Ian R. Reid, Mark J Bolland et al. profile →
  4. Vascular events in healthy older women receiving calcium supplementation: randomised controlled trial
    2008 453 citations Mark J Bolland, P. Alan Barber et al. BMJ profile →
  5. The effect of vitamin D supplementation on skeletal, vascular, or cancer outcomes: a trial sequential meta-analysis
    2014 297 citations Mark J Bolland, Andrew Grey et al. profile →
  6. Effects of vitamin D supplementation on musculoskeletal health: a systematic review, meta-analysis, and trial sequential analysis
    2018 281 citations Mark J Bolland, Andrew Grey et al. profile →
  7. Calcium intake and bone mineral density: systematic review and meta-analysis
    2015 274 citations Andrew Grey, Ian R. Reid et al. profile →
  8. Fracture Prevention with Infrequent Zoledronate in Women 50 to 60 Years of Age
    2025 15 citations Mark J Bolland, Andrew Grey et al. New England Journal of Medicine profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Andrew Grey New Zealand 64 5.8k 4.2k 3.1k 2.8k 2.3k 270 13.6k
Mark J Bolland New Zealand 54 5.3k 0.9× 4.2k 1.0× 2.1k 0.7× 1.5k 0.6× 2.0k 0.8× 200 11.5k
Meryl S. LeBoff United States 59 6.7k 1.2× 2.6k 0.6× 3.0k 1.0× 3.3k 1.2× 1.1k 0.5× 187 15.2k
Anne C. Looker United States 56 7.8k 1.4× 4.5k 1.1× 2.3k 0.8× 1.9k 0.7× 2.6k 1.1× 109 15.7k
Geoffrey C. Nicholson Australia 68 4.8k 0.8× 2.2k 0.5× 3.1k 1.0× 3.9k 1.4× 1.2k 0.5× 295 14.9k
Dan Mellström Sweden 62 11.1k 1.9× 2.2k 0.5× 5.4k 1.7× 4.7k 1.7× 640 0.3× 314 19.9k
Diane Feskanich United States 64 2.2k 0.4× 2.2k 0.5× 2.5k 0.8× 1.7k 0.6× 2.0k 0.9× 127 16.5k
Rebecca D. Jackson United States 54 3.7k 0.6× 2.2k 0.5× 2.1k 0.7× 1.3k 0.5× 739 0.3× 192 11.2k
Tuan V. Nguyen Australia 66 10.4k 1.8× 2.9k 0.7× 3.0k 1.0× 3.3k 1.2× 573 0.2× 271 17.1k
Jean Wactawski‐Wende United States 77 2.7k 0.5× 3.4k 0.8× 5.0k 1.6× 2.7k 1.0× 1.3k 0.6× 467 21.5k
Fernando Rivadeneira Netherlands 56 2.7k 0.5× 1.4k 0.3× 1.2k 0.4× 3.0k 1.1× 569 0.2× 274 10.8k

Countries citing papers authored by Andrew Grey

Since Specialization
Citations

This map shows the geographic impact of Andrew Grey's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Andrew Grey with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Andrew Grey more than expected).

Fields of papers citing papers by Andrew Grey

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew Grey. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Andrew Grey. The network helps show where Andrew Grey may publish in the future.

Co-authorship network of co-authors of Andrew Grey

This figure shows the co-authorship network connecting the top 25 collaborators of Andrew Grey. A scholar is included among the top collaborators of Andrew Grey based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Andrew Grey. Andrew Grey is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Bolland, Mark J, Alison Avenell, & Andrew Grey. (2024). Publication integrity: what is it, why does it matter, how it is safeguarded and how could we do better?. Journal of the Royal Society of New Zealand. 55(2). 267–286. 4 indexed citations
2.
Grey, Andrew, Mark J Bolland, & Alison Avenell. (2019). Evaluating ethics oversight during assessment of research integrity. SHILAP Revista de lepidopterología. 4(1). 22–22. 2 indexed citations
3.
Bolland, Mark J, Greg Gamble, Alison Avenell, & Andrew Grey. (2019). Rounding, but not randomization method, non-normality, or correlation, affected baseline P-value distributions in randomized trials. Journal of Clinical Epidemiology. 110. 50–62. 18 indexed citations
4.
Avenell, Alison, Fiona Stewart, Andrew Grey, Greg Gamble, & Mark J Bolland. (2019). An investigation into the impact and implications of published papers from retracted research: systematic search of affected literature. BMJ Open. 9(10). e031909–e031909. 38 indexed citations
5.
6.
Grey, Andrew, Alison Avenell, Nicola Dalbeth, Fiona Stewart, & Mark J Bolland. (2017). Reporting of conflicts of interest in oral presentations at medical conferences: a delegate-based prospective observational study. BMJ Open. 7(9). e017019–e017019. 13 indexed citations
7.
Faasse, Kate, et al.. (2015). Perceptions of generic medication in the general population, doctors and pharmacists: a systematic review. BMJ Open. 5(12). e008915–e008915. 130 indexed citations
8.
Bolland, Mark J & Andrew Grey. (2014). A comparison of adverse event and fracture efficacy data for strontium ranelate in regulatory documents and the publication record. BMJ Open. 4(10). e005787–e005787. 26 indexed citations
9.
Petrie, Keith J., Kate Faasse, Fiona Crichton, & Andrew Grey. (2014). How common are symptoms? Evidence from a New Zealand national telephone survey. BMJ Open. 4(6). e005374–e005374. 95 indexed citations
10.
Bolland, Mark J, P. Alan Barber, Robert N. Doughty, et al.. (2013). Differences between self-reported and verified adverse cardiovascular events in a randomised clinical trial. BMJ Open. 3(3). e002334–e002334. 18 indexed citations
11.
Ford, John, Graeme MacLennan, Mark J Bolland, Andrew Grey, & Alison Avenell. (2012). Abstract 18397: Vitamin D Supplementation Prevents Cardiac Failure; MRC RECORD Trial Analysis, Systematic Review And Meta-analysis. Circulation. 126(suppl_21). 1 indexed citations
12.
Grey, Andrew, Mark J Bolland, & Ian R. Reid. (2012). Vitamin D dose requirements for fracture prevention.. New England Journal of Medicine. 367(14). 1367. 4 indexed citations
13.
Bolland, Mark J, Andrew Grey, James S. Davidson, Tim Cundy, & Ian R. Reid. (2012). Should measurement of vitamin D and treatment of vitamin D insufficiency be routine in New Zealand?. PubMed. 125(1349). 83–91. 4 indexed citations
14.
Bacon, Catherine J., Mark J Bolland, Ruth Ames, et al.. (2011). Prevalent dietary supplement use in older New Zealand men.. PubMed. 124(1337). 55–62. 6 indexed citations
15.
Bolland, Mark J, A Avenell, John A. Baron, et al.. (2010). Effect of calcium supplements on risk of myocardial infarction and cardiovascular events: meta-analysis. BMJ. 341(jul29 1). c3691–c3691. 710 indexed citations breakdown →
16.
Reid, Ian R., Mark J Bolland, & Andrew Grey. (2010). Does calcium supplementation increase cardiovascular risk?. Clinical Endocrinology. 73(6). 689–695. 54 indexed citations
17.
Bolland, Mark J, James S. Davidson, Andrew Grey, et al.. (2008). The effects of seasonal variation of 25-hydroxyvitamin D on diagnosis of vitamin D insufficiency.. PubMed. 121(1286). 63–74. 50 indexed citations
18.
Bolland, Mark J, Andrew Grey, Anne Horne, & Mark Thomas. (2008). Osteomalacia in an HIV-infected man receiving rifabutin, a cytochrome P450 enzyme inducer: a case report. Annals of Clinical Microbiology and Antimicrobials. 7(1). 3–3. 10 indexed citations
19.
Cornish, Jillian, Karen E. Callon, Dorit Naot, et al.. (2004). Lactoferrin Is a Potent Regulator of Bone Cell Activity and Increases Bone Formation in Vivo. Endocrinology. 145(9). 4366–4374. 232 indexed citations
20.
Grey, Andrew, et al.. (1996). Medroxyprogesterone acetate enhances the spinal bone mineral density response to oestrogen in late post‐menopausal women. Clinical Endocrinology. 44(3). 293–296. 35 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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