SHUIFANG, X. .; FENGYING, Z. .; YUHUA, H. .; XIYUN, L. .; JINFANG, T. .; YI, Q. .; FENGYING, X. . Evaluation of the comparative influence of magnesium sulfate single and combination with ritodrine hydrochloride in the prevention of preterm delivery . Bioscience Journal , Uberlândia, MG, v. 36, n. 4, p. 1491–1497, 2020. DOI: 10.14393/BJ-v36n4a2020-49897. Disponível em: https://seer.ufu.br/index.php/biosciencejournal/article/view/49897. Acesso em: 25 jun. 2022.