Serum arylesterase activity, vitamin B12 status, and oxidative stress in premature hair greying: a case-control study among vegetarians and non-vegetarians for males. Fountain Journal of Natural and Applied Sciences, [S. l.], v. 15, n. 1, p. 95–105, 2026. DOI: 10.53704/. Disponível em: https://fountainjournals.com/index.php/FUJNAS/article/view/1464. Acesso em: 18 sep. 2026.