Video versus live demonstration for teaching the Gram staining technique to second-year medical students: a randomised comparative study of skill acquisition and learner perceptions. Advanced Natural Sciences: Life and Health Sciences, [S. l.], v. 3, n. 2, p. 33–49, 2026. Disponível em: https://www.indjournals.com/index.php/indjournals/article/view/62.. Acesso em: 24 aug. 2026.