PRATIPANAWAT, S.; SOMSAARD, A. Prevalence of Hypotension in Threatened Preterm and Preterm Labour Treating with Nifedipine Loading Dose of 30 mg and 40 mg. Journal of Health Science of Thailand, [S. l.], v. 24, n. 2, p. 347–353, 2017. Disponível em: https://thaidj.org/index.php/JHS/article/view/450. Acesso em: 5 dec. 2025.