Moraes APP, Barreto SM, Passos VMA, Golino PS, Costa JA, Vasconcelos MX. Incidence and main causes of severe maternal morbidity in São Luís, Maranhão, Brazil: a longitudinal study. Sao Paulo Med J [Internet]. 2011 May 5 [cited 2025 Mar. 10];129(3):146-52. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/1588