Ribur Sinaga, Sari Khowajan Tondang, Eva Ratna Dewi, Marliani, and Ali Imran Sirait. 2026. “Comparison of Labor Duration by Parity Among Mothers at Rizki Clinic, Medan Tembung District”. Jurnal Kesehatan Dan Kedokteran 5 (1):394-407. https://doi.org/10.56127/jukeke.v5i1.2599.