WIBOWO, Noroyono; FITRIANA, Fitriana. The Levels of Zinc, Selenium, Iron and Copper in Preterm Pregnancy do not Differ with those of Healthy Pregnancy: Kadar Seng, Selenium, Besi dan Tembaga pada Kehamilan Prematur tidak Berbeda dengan Kehamilan Sehat. Indonesian Journal of Obstetrics and Gynecology, [S. l.], v. 7, n. 2, p. 86–91, 2019. DOI: 10.32771/inajog.v7i2.880. Disponível em: https://www.inajog.com/index.php/journal/article/view/880. Acesso em: 24 aug. 2026.