John G. Haddad

11.2k total citations · 2 hit papers
141 papers, 8.7k citations indexed

About

John G. Haddad is a scholar working on Pathology and Forensic Medicine, Endocrinology, Diabetes and Metabolism and Genetics. According to data from OpenAlex, John G. Haddad has authored 141 papers receiving a total of 8.7k indexed citations (citations by other indexed papers that have themselves been cited), including 73 papers in Pathology and Forensic Medicine, 29 papers in Endocrinology, Diabetes and Metabolism and 26 papers in Genetics. Recurrent topics in John G. Haddad's work include Vitamin D Research Studies (72 papers), Bone health and treatments (21 papers) and Growth Hormone and Insulin-like Growth Factors (12 papers). John G. Haddad is often cited by papers focused on Vitamin D Research Studies (72 papers), Bone health and treatments (21 papers) and Growth Hormone and Insulin-like Growth Factors (12 papers). John G. Haddad collaborates with scholars based in United States, United Kingdom and Lebanon. John G. Haddad's co-authors include Laura S. Hillman, Theodore J. Hahn, Nancy E. Cooke, Jean Walgate, ELAINE GEE, Daniel D. Bikle, Stanley J. Birge, M A Kowalski, Bernard P. Halloran and T. C. B. Stamp and has published in prestigious journals such as Nature, New England Journal of Medicine and Proceedings of the National Academy of Sciences.

In The Last Decade

John G. Haddad

137 papers receiving 7.9k citations

Hit Papers

COMPETITIVE PROTEIN-BINDI... 1971 2026 1989 2007 1971 1986 250 500 750
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. COMPETITIVE PROTEIN-BINDING RADIOASSAY FOR 25-HYDROXYCHOLECALCIFEROL1
    1971 766 citations John G. Haddad et al. The Journal of Clinical Endocrinology & Metabolism profile →
  2. Assessment of the Free Fraction of 25-Hydroxyvitamin D in Serum and Its Regulation by Albumin and the Vitamin D-Binding Protein *
    1986 488 citations Daniel D. Bikle, ELAINE GEE et al. The Journal of Clinical Endocrinology & Metabolism profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John G. Haddad United States 49 4.8k 1.7k 1.6k 1.4k 1.1k 141 8.7k
Norman H. Bell United States 53 3.7k 0.8× 5.4k 3.1× 1.1k 0.7× 1.6k 1.1× 546 0.5× 162 11.5k
Shaul G. Massry United States 55 1.3k 0.3× 542 0.3× 1.4k 0.9× 1.4k 1.0× 935 0.8× 259 9.3k
Barbara J. Boucher United Kingdom 47 4.2k 0.9× 1.1k 0.6× 1.7k 1.1× 765 0.5× 801 0.7× 142 7.2k
Barbara Obermayer‐Pietsch Austria 49 2.3k 0.5× 2.2k 1.3× 882 0.6× 1.6k 1.1× 452 0.4× 259 8.6k
David G. Gardner United States 56 2.6k 0.5× 342 0.2× 893 0.6× 991 0.7× 380 0.3× 217 11.8k
Russell W. Chesney United States 48 1.4k 0.3× 509 0.3× 715 0.5× 458 0.3× 2.6k 2.2× 294 7.4k
Karl Insogna United States 66 1.4k 0.3× 3.2k 1.9× 1.2k 0.8× 1.4k 0.9× 416 0.4× 237 15.1k
J. Brent Richards Canada 44 2.0k 0.4× 1.1k 0.7× 618 0.4× 913 0.6× 427 0.4× 156 9.7k
Russell T. Turner United States 62 1.5k 0.3× 4.7k 2.7× 469 0.3× 2.0k 1.4× 311 0.3× 277 11.7k
Otto Mehls Germany 54 663 0.1× 356 0.2× 858 0.5× 2.3k 1.6× 2.9k 2.5× 319 10.6k

Countries citing papers authored by John G. Haddad

Since Specialization
Citations

This map shows the geographic impact of John G. Haddad'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 John G. Haddad with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John G. Haddad more than expected).

Fields of papers citing papers by John G. Haddad

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John G. Haddad. 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 John G. Haddad. The network helps show where John G. Haddad may publish in the future.

Co-authorship network of co-authors of John G. Haddad

This figure shows the co-authorship network connecting the top 25 collaborators of John G. Haddad. A scholar is included among the top collaborators of John G. Haddad 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 John G. Haddad. John G. Haddad 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
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Haddad, John G., et al.. (2025). Epigallocatechin Gallate as a Molecular Therapeutic in Heart Failure and Cardio-Oncology: Mechanistic Pathways and Translational Perspectives. International Journal of Molecular Sciences. 26(21). 10798–10798.
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Haddad, John G., Nigel W. Crawford, Andrew D. Miller, et al.. (2009). Polymicrogyria in Standard Poodles. Journal of Veterinary Internal Medicine. 23(4). 871–874. 8 indexed citations
5.
Haddad, John G., et al.. (1996). Skeletal Response to Immobilization in Paget's Disease of Bone. Clinical Orthopaedics and Related Research. 328(328). 236–240. 9 indexed citations
6.
Haddad, John G., Lois Y. Matsuoka, Bruce W. Hollis, Yan Hu, & Jacobo Wortsman. (1993). Human plasma transport of vitamin D after its endogenous synthesis.. Journal of Clinical Investigation. 91(6). 2552–2555. 201 indexed citations
7.
Kaplan, Frederick S., et al.. (1988). Osteomalacia as a Very Late Manifestation of Primary Hyperparathyroidism. Clinical Orthopaedics and Related Research. 228(228). 26–32. 7 indexed citations
8.
Bikle, Daniel D., Bernard P. Halloran, ELAINE GEE, Elisabeth Ryzen, & John G. Haddad. (1986). Free 25-hydroxyvitamin D levels are normal in subjects with liver disease and reduced total 25-hydroxyvitamin D levels.. Journal of Clinical Investigation. 78(3). 748–752. 121 indexed citations
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Hillman, Laura S., et al.. (1985). Mineral homeostasis in very premature infants: Serial evaluation of serum 25-hydroxyvitamin D, serum minerals, and bone mineralization. The Journal of Pediatrics. 106(6). 970–980. 37 indexed citations
11.
Bikle, Daniel D., Pentti K. Siiteri, Elisabeth Ryzen, John G. Haddad, & ELAINE GEE. (1985). Serum Protein Binding of 1,25-Dihydroxyvitamin D: A Reevaluation by Direct Measurement of Free Metabolite Levels*. The Journal of Clinical Endocrinology & Metabolism. 61(5). 969–975. 196 indexed citations
12.
Lees, Andrew, John G. Haddad, & Shin Lin. (1984). Brevin and vitamin D binding protein: comparison of the effects of two serum proteins on actin assembly and disassembly. Biochemistry. 23(13). 3038–3047. 76 indexed citations
13.
Whyte, Michael P., William A. Murphy, & John G. Haddad. (1981). Reactivation of healed osteolytic Paget's bone disease following cessation of synthetic human calcitonin therapy. Calcified Tissue International. 33(3). 1 indexed citations
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Haddad, John G.. (1980). [53] Purification, characterization, and quantitation of the human serum binding protein for vitamin D and its metabolites. Methods in enzymology on CD-ROM/Methods in enzymology. 67. 449–459. 5 indexed citations
16.
Whyte, Michael P., et al.. (1979). Vitamin D Bioavailability: Serum 25-Hydroxyvitamin D Levels in Man after Oral, Subcutaneous, Intramuscular, and Intravenous Vitamin D Administration*. The Journal of Clinical Endocrinology & Metabolism. 48(6). 906–911. 80 indexed citations
17.
Stamp, T. C. B., et al.. (1977). COMPARISON OF ORAL 25-HYDROXYCHOLECALCIFEROL, VITAMIN D, AND ULTRAVIOLET LIGHT AS DETERMINANTS OF CIRCULATING 25-HYDROXYVITAMIN D. The Lancet. 309(8026). 1341–1343. 148 indexed citations
18.
Rojanasathit, Somkietr & John G. Haddad. (1977). Human calcitonin radioimmunoassay: Characterization and application. Clinica Chimica Acta. 78(3). 425–437. 15 indexed citations
19.
Haddad, John G. & Jean Walgate. (1976). 25-Hydroxyvitamin D transport in human plasma. Isolation and partial characterization of calcifidiol-binding protein.. Journal of Biological Chemistry. 251(16). 4803–4809. 178 indexed citations
20.
Hillman, Laura S. & John G. Haddad. (1975). Perinatal vitamin D metabolism. The Journal of Pediatrics. 86(6). 928–935. 107 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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