SYAFLINDAWATI, Syaflindawati; HERMAN, Rahmatina B; ILYAS, Jumiarni. Pengaruh Upright Position Terhadap Lama Kala I Fase Aktif pada Primigravida. Jurnal Kesehatan Andalas, [S. l.], v. 4, n. 3, 2015. DOI: 10.25077/jka.v4i3.392. Disponível em: https://jurnal.fk.unand.ac.id/index.php/jka/article/view/392. Acesso em: 6 apr. 2026.