Apsari, Ratih Kumala Fajar, and Yusmein Uyun. “Penggunaan Ultrasound Di Anestesi Obstetri”. Jurnal Komplikasi Anestesi 5, no. 3 (August 1, 2018): 63-73. Accessed November 25, 2024. https://jurnal.ugm.ac.id/v3/jka/article/view/7342.