Justina Sam

4.0k total citations · 1 hit paper
13 papers, 2.9k citations indexed

About

Justina Sam is a scholar working on Surgery, Epidemiology and Genetics. According to data from OpenAlex, Justina Sam has authored 13 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Surgery, 4 papers in Epidemiology and 3 papers in Genetics. Recurrent topics in Justina Sam's work include Inflammatory Bowel Disease (3 papers), Liver Disease and Transplantation (2 papers) and Microscopic Colitis (2 papers). Justina Sam is often cited by papers focused on Inflammatory Bowel Disease (3 papers), Liver Disease and Transplantation (2 papers) and Microscopic Colitis (2 papers). Justina Sam collaborates with scholars based in Canada, United States and Chile. Justina Sam's co-authors include Heather McDonald, M. Patricia Rosas‐Arellano, P.J. Devereaux, Joseph Beyene, Neill K. J. Adhikari, R. Brian Haynes, Amit X. Garg, Geoffrey C. Nguyen, Paul J. Thuluvath and Amit Garg and has published in prestigious journals such as JAMA, SHILAP Revista de lepidopterología and Gastroenterology.

In The Last Decade

Justina Sam

13 papers receiving 2.8k citations

Hit Papers

align trajectories

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.

Effects of Computerized Clinical Decision Support Systems on Practitioner Performance and Patient Outcomes

2005 2.1k citations Amit X. Garg, Neill K. J. Adhikari et al. JAMA profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Justina Sam Canada	9	1.3k	606	486	459	434	13	2.9k
Kensaku Kawamoto United States	27	1.8k 1.4×	971 1.6×	414 0.9×	480 1.0×	792 1.8×	165	4.4k
Paul Dexter United States	27	843 0.7×	686 1.1×	371 0.8×	212 0.5×	658 1.5×	93	3.0k
Joseph Kannry United States	24	871 0.7×	600 1.0×	269 0.6×	220 0.5×	338 0.8×	69	2.0k
David F. Lobach United States	29	2.1k 1.6×	1.2k 1.9×	447 0.9×	420 0.9×	1.1k 2.4×	97	5.5k
M. Patricia Rosas‐Arellano Canada	18	1.3k 1.0×	566 0.9×	256 0.5×	618 1.3×	919 2.1×	31	3.9k
Milenko J. Tanasijevic United States	25	1.1k 0.9×	449 0.7×	282 0.6×	1.1k 2.3×	342 0.8×	69	4.6k
Randolph A. Miller United States	36	1.7k 1.3×	820 1.4×	279 0.6×	329 0.7×	540 1.2×	124	4.6k
Johan van der Lei Netherlands	40	879 0.7×	714 1.2×	1.5k 3.1×	634 1.4×	681 1.6×	174	6.5k
Heather McDonald Canada	13	1.3k 1.0×	904 1.5×	297 0.6×	315 0.7×	522 1.2×	37	3.5k
Michael G. Kahn United States	33	880 0.7×	443 0.7×	439 0.9×	149 0.3×	494 1.1×	134	3.4k

Countries citing papers authored by Justina Sam

Since Specialization

Citations

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

Fields of papers citing papers by Justina Sam

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Justina Sam. 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 Justina Sam. The network helps show where Justina Sam may publish in the future.

Co-authorship network of co-authors of Justina Sam

This figure shows the co-authorship network connecting the top 25 collaborators of Justina Sam. A scholar is included among the top collaborators of Justina Sam 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 Justina Sam. Justina Sam is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

13 of 13 papers shown

Rumman, Amir, Roberto Cândia, Justina Sam, et al.. (2017). Public versus Private Drug Insurance and Outcomes of Patients Requiring Biologic Therapies for Inflammatory Bowel Disease. Canadian Journal of Gastroenterology and Hepatology. 2017. 1–8. 14 indexed citations

Sam, Justina, et al.. (2012). Physicians’ Perceptions of Risks and Practices in Venous Thromboembolism Prophylaxis in Inflammatory Bowel Disease. Digestive Diseases and Sciences. 58(1). 46–52. 42 indexed citations

Bernstein, Çharles N., et al.. (2012). Survey of Perceptions and Practices among Canadian Gastroenterologists regarding the Prevention of Venous Thromboembolism for Hospitalized Inflammatory Bowel Disease Patients. SHILAP Revista de lepidopterología. 26(11). 795–798. 15 indexed citations

Sam, Justina. (2011). Colonoscopy Leads to A Diagnosis of A Jejunal Gastrointestinal Stromal Tumour (GIST). Gastroenterology Research. 4(6). 277–282. 5 indexed citations

Sam, Justina, E. Jenny Heathcote, David Wong, Douglas L. Wooster, & Hemant Shah. (2011). Hepatitis B Learning Needs Assessment of Family Medicine Trainees in Canada: Results of a Nationwide Survey. SHILAP Revista de lepidopterología. 25(3). 127–134. 8 indexed citations

Sam, Justina & Geoffrey C. Nguyen. (2009). Protein–calorie malnutrition as a prognostic indicator of mortality among patients hospitalized with cirrhosis and portal hypertension. Liver International. 29(9). 1396–1402. 137 indexed citations

Nguyen, Geoffrey C. & Justina Sam. (2009). 833 Nationwide Trends in Hospital Admissions for Diverticulitis: A Rising Health Burden Among Those Under Age 65 in the United States. Gastroenterology. 136(5). A–126. 1 indexed citations

Nguyen, Geoffrey C., Justina Sam, Sanjay K. Murthy, et al.. (2008). Hospitalizations for inflammatory bowel disease: Profile of the uninsured in the United States. Inflammatory Bowel Diseases. 15(5). 726–733. 24 indexed citations

Nguyen, Geoffrey C., Justina Sam, & Paul J. Thuluvath. (2008). Hepatitis C is a predictor of acute liver injury among hospitalizations for acetaminophen overdose in the United States. Hepatology. 48(4). 1336–1341. 79 indexed citations

10.

Nguyen, Geoffrey C. & Justina Sam. (2008). Rising Prevalence of Venous Thromboembolism and Its Impact on Mortality Among Hospitalized Inflammatory Bowel Disease Patients. The American Journal of Gastroenterology. 103(9). 2272–2280. 275 indexed citations

11.

Garg, Amit, Neill K. J. Adhikari, Heather McDonald, et al.. (2007). Effects of Computerized Clinical Decision Support Systems on Practitioner Performance and Patient Outcomes. 175 indexed citations

12.

Garg, Amit X., Neill K. J. Adhikari, Heather McDonald, et al.. (2005). Effects of Computerized Clinical Decision Support Systems on Practitioner Performance and Patient Outcomes. JAMA. 293(10). 1223–1223. 2149 indexed citations breakdown →

13.

Sam, Justina, Denis Angoulvant, Shafie Fazel, Richard D. Weisel, & Ren‐Ke Li. (2005). Heart cell implantation after myocardial infarction. Coronary Artery Disease. 16(2). 85–91. 6 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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