A study of pattern of secretion of salivary melatonin in shift workers. International Journal of Biomedical and Advance Research, [S. l.], v. 6, n. 10, p. 700–704, 2015. DOI: 10.7439/ijbar.v6i10.2551. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/2551. Acesso em: 19 jun. 2026.