SHAHZAD, K.; ALI, H. A. M.; ANWAR, U.; HAROON, A. Comparison of the frequency of preterm births in patients treated with oral versus intramuscular progesterone with history of previous preterm birth. International Journal Of Community Medicine And Public Health, [S. l.], v. 8, n. 8, p. 3830–3835, 2021. DOI: 10.18203/2394-6040.ijcmph20212818. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/8327. Acesso em: 23 oct. 2025.