“SAD”- A medical undergraduate centered cross-sectional study from a teaching tertiary medical institution in North east India. Innovative Journal of Medical and Health Sciences, [S. l.], v. 9, n. 8, p. 578–588, 2019. Disponível em: http://www.innovativejournal.in/index.php/ijmhs/article/view/2678. Acesso em: 23 oct. 2026.