CHIN, J. L. Counting the days to Niagara Falls. Canadian Urological Association Journal, [S. l.], v. 7, n. 3-4, p. 83, 2013. DOI: 10.5489/cuaj.577. Disponível em: https://cuaj.ca/index.php/journal/article/view/577. Acesso em: 5 may. 2024.