CASTRO, A. A.; CLARK, O. A. C.; ATALLAH, Álvaro N. Optimal search strategy for clinical trials in the Latin American and Caribbean Health Science Literature Database (LILACS database): update. São Paulo Medical Journal, [S. l.], v. 117, n. 3, p. 138–139, 1999. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/2533. Acesso em: 15 jun. 2025.