Item analysis of pharmacology multiple-choice questions used in the semester-I examination for second-year undergraduate medical students at Khesar Gyalpo University of Medical Sciences, Bhutan: a cross-sectional  study. Bhutan Health Journal, [S. l.], v. 12, n. 1, p. 6, 2026. DOI: 10.47811/207. Disponível em: https://www.bhj.com.bt/index.php/bhj/article/view/699. Acesso em: 13 jun. 2026.