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Harm Reduction Journal|June 21, 2015
The common sense model applied to hepatitis C: a qualitative analysis of the impact of disease comparison and witnessed death on hepatitis C illness perceptionStella A Safo, Abigail Batchelder, Deena Peyser, et al.
Acta Gastroenterologica Latinoamericana|January 1, 1988
[Ulcerative colitis in children. Levels of salicylazosulfapyridine and sulfapyridine during treatment]E Guastavino, N H Litwin, L Heffes Nahmod, et al.
Research Square|November 17, 2020
Accounting for Confounding by Time, Early Intervention Adoption, and Time-Varying Effect Modification in the Design and Analysis of Stepped-Wedge Designs: Application to a Proposed Study Design to Reduce Opioid-Related MortalityLior Rennert, Moonseong Heo, Alain H Litwin, et al.
BMC Medical Research Methodology|March 17, 2021
Accounting for confounding by time, early intervention adoption, and time-varying effect modification in the design and analysis of stepped-wedge designs: application to a proposed study design to reduce opioid-related mortalityLior Rennert, Moonseong Heo, Alain H Litwin, et al.
Medrxiv : the Preprint Server for Health Sciences|August 9, 2020
Accounting for external factors and early intervention adoption in the design and analysis of stepped-wedge designs: Application to a proposed study design to reduce opioid-related mortalityLior Rennert, Moonseong Heo, Alain H Litwin, et al.
Addiction Science & Clinical Practice|June 15, 2014
Rationale and design of a randomized controlled trial of varenicline directly observed therapy delivered in methadone clinicsShadi Nahvi, Kate S Segal, Alain H Litwin, et al.
Acta Gastroenterologica Latinoamericana|January 1, 1980
[Prolonged diarrhea in infancy: effect of deconjugated bile acids and cholestyramine action]L A Heffes, N H Litwin, R Licastro, et al.
Infectious Disease Clinics of North America|May 21, 2018
Treatment of Chronic Hepatitis C in Patients Receiving Opioid Agonist Therapy: A Review of Best PracticeBrianna L Norton, Matthew J Akiyama, Philippe J Zamor, et al.
The Journal of Infectious Diseases|March 2, 2026
2024-2025 COVID-19 mRNA Vaccine Effectiveness against Severe DiseaseIromi Jayawardena, Natalie E Dean, Brian Witrick, et al.
Statistical Methods in Medical Research|August 16, 2014
Sample size determinations for group-based randomized clinical trials with different levels of data hierarchy between experimental and control armsMoonseong Heo, Alain H Litwin, Oni Blackstock, et al.
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