PARK, Jong Kwan et al. Prospective investigation of penile length with newborn male circumcision and second to fourth digit ratio. Canadian Urological Association Journal, [S. l.], v. 10, n. 9-10, p. E296–9, 2016. DOI: 10.5489/cuaj.3590. Disponível em: https://cuaj.ca/index.php/journal/article/view/3590. Acesso em: 22 apr. 2026.