Derek Freitas

710 total citations
19 papers, 532 citations indexed

About

Derek Freitas is a scholar working on Animal Science and Zoology, Epidemiology and General Health Professions. According to data from OpenAlex, Derek Freitas has authored 19 papers receiving a total of 532 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Animal Science and Zoology, 6 papers in Epidemiology and 5 papers in General Health Professions. Recurrent topics in Derek Freitas's work include Animal Nutrition and Physiology (7 papers), Substance Abuse Treatment and Outcomes (3 papers) and Homelessness and Social Issues (3 papers). Derek Freitas is often cited by papers focused on Animal Nutrition and Physiology (7 papers), Substance Abuse Treatment and Outcomes (3 papers) and Homelessness and Social Issues (3 papers). Derek Freitas collaborates with scholars based in United States, Brazil and Zambia. Derek Freitas's co-authors include S.L. Vieira, A. Favero, R. Angel, Alex Maiorka, Omar A. Oyarzábal, Josemar Berres, Guillermo Prado, Hilda Pantín, David Córdova and Shi Huang and has published in prestigious journals such as Methods in enzymology on CD-ROM/Methods in enzymology, Addiction and The American Journal of Surgery.

In The Last Decade

Derek Freitas

18 papers receiving 494 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Derek Freitas United States 11 292 103 98 82 76 19 532
Anne Connolly United Kingdom 12 166 0.6× 58 0.6× 30 0.3× 53 0.6× 54 0.7× 28 536
Teresa Gontijo de Castro Brazil 21 260 0.9× 229 2.2× 32 0.3× 11 0.1× 30 0.4× 70 1.1k
Sarah Cooper United Kingdom 10 161 0.6× 235 2.3× 17 0.2× 35 0.4× 7 0.1× 30 624
Giulia Esposito Italy 14 276 0.9× 30 0.3× 9 0.1× 29 0.4× 36 0.5× 35 933
S. Cooper United Kingdom 8 207 0.7× 221 2.1× 46 0.5× 12 0.1× 16 0.2× 13 620
Henrik Day Poulsen Denmark 11 68 0.2× 44 0.4× 11 0.1× 178 2.2× 58 0.8× 22 348
A.M. Ganai India 10 57 0.2× 22 0.2× 6 0.1× 28 0.3× 97 1.3× 72 381
Katherine Wasson United States 12 41 0.1× 111 1.1× 6 0.1× 27 0.3× 23 0.3× 35 715
Ivan Miškulin Croatia 11 76 0.3× 28 0.3× 5 0.1× 24 0.3× 35 0.5× 54 355
Carol Njeru United States 10 132 0.5× 17 0.2× 17 0.2× 4 0.0× 52 0.7× 10 339

Countries citing papers authored by Derek Freitas

Since Specialization
Citations

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

Fields of papers citing papers by Derek Freitas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Derek Freitas

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

All Works

19 of 19 papers shown
1.
2.
Freitas, Derek, Charles DiMaggio, Spiros Frangos, et al.. (2019). Mangled Lower Extremity Is Associated With Pulmonary Embolism But Not Deep Venous Thrombosis: Results From the Trauma Quality Improvement Program Database. Journal of Surgical Research. 248. 7–13. 2 indexed citations
3.
Freitas, Derek, et al.. (2017). Surgical registrars' perceptions of surgical training and capacity in Zambia: Results from three COSECSA affiliated training hospitals. The American Journal of Surgery. 215(4). 744–751. 10 indexed citations
4.
Freitas, Derek, et al.. (2016). Skin Disease in the Uninsured: Diagnoses, Management Decisions, and Referral Outcomes of an Urban Free Clinic. Journal of Health Care for the Poor and Underserved. 27(2). 834–845.
5.
McCollister, Kathryn E., Christy K. Scott, Michael L. Dennis, et al.. (2014). Economic Costs of a Postrelease Intervention for Incarcerated Female Substance Abusers: Recovery Management Checkups for Women Offenders (RMC-WO). Journal of Offender Rehabilitation. 53(7). 543–561. 6 indexed citations
6.
Shabbir, Muhammad Zubair, Derek Freitas, Muhammad Tariq Javed, et al.. (2013). Serological evidence of selected abortifacients in a dairy herd with history of abortion.. Pakistan Veterinary Journal. 33(1). 19–22. 8 indexed citations
7.
McCollister, Kathryn E., Derek Freitas, Guillermo Prado, & Hilda Pantín. (2013). Opportunity Costs and Financial Incentives for Hispanic Youth Participating in a Family-Based HIV and Substance Use Preventive Intervention. The Journal of Primary Prevention. 35(1). 13–20. 4 indexed citations
8.
McCollister, Kathryn E., Michael T. French, Derek Freitas, et al.. (2013). Cost-effectiveness analysis of Recovery Management Checkups (RMC) for adults with chronic substance use disorders: evidence from a 4-year randomized trial. Addiction. 108(12). 2166–2174. 20 indexed citations
9.
Prado, Guillermo, David Córdova, Shi Huang, et al.. (2012). The efficacy of Familias Unidas on drug and alcohol outcomes for Hispanic delinquent youth: Main effects and interaction effects by parental stress and social support. Drug and Alcohol Dependence. 125. S18–S25. 86 indexed citations
10.
Huang, Shi, et al.. (2012). Predicting Condom Use Attitudes, Norms, and Control Beliefs in Hispanic Problem Behavior Youth. Health Education & Behavior. 40(4). 384–391. 47 indexed citations
11.
Berres, Josemar, et al.. (2011). Digestible valine requirements in high protein diets for broilers from twenty-one to forty-two days of age. Animal Feed Science and Technology. 165(1-2). 120–124. 13 indexed citations
12.
Freitas, Derek, S.L. Vieira, R. Angel, A. Favero, & Alex Maiorka. (2011). Performance and nutrient utilization of broilers fed diets supplemented with a novel mono-component protease. The Journal of Applied Poultry Research. 20(3). 322–334. 121 indexed citations
13.
Berres, Josemar, et al.. (2010). Supplementing L-valine and L-isoleucine in low-protein corn and soybean meal all-vegetable diets for broilers. The Journal of Applied Poultry Research. 19(4). 373–379. 25 indexed citations
14.
Vieira, S.L., et al.. (2008). Body Weight, Carcass Yield, and Intestinal Contents of Broilers Having Sodium and Potassium Salts in the Drinking Water Twenty-Four Hours Before Processing. The Journal of Applied Poultry Research. 17(3). 369–375. 6 indexed citations
15.
Vieira, S.L., et al.. (2008). Performance of Broilers Fed Diets Supplemented with Sanguinarine-Like Alkaloids and Organic Acids. The Journal of Applied Poultry Research. 17(1). 128–133. 69 indexed citations
16.
Vieira, S.L., et al.. (2007). Litter Moisture and Footpad Dermatitis as Affected by Diets Formulated on an All-Vegetable Basis or Having the Inclusion of Poultry By-Product. The Journal of Applied Poultry Research. 16(3). 344–350. 77 indexed citations
17.
Leitão, Mario M., Francisco Portela, Miguel Areia, et al.. (2006). Endoscopic Resection of Ampullary Carcinoma. Endoscopy. 38(1). 101–101. 13 indexed citations
18.
Vieira, S.L., et al.. (2006). Effects of a Mix of Carbohydrases on Live Performance and Carcass Yield of Broilers Fed All Vegetable Diets Based on Corn and Soybean Meal. International Journal of Poultry Science. 5(7). 662–665. 5 indexed citations
19.
Freitas, Derek. (1993). [4] Alkali metal nuclear magnetic resonance. Methods in enzymology on CD-ROM/Methods in enzymology. 227. 78–106. 19 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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