Aritonang SL, Sirait LI, Siantar RL. Timing of Colostrum Expulsion Based on Type of Labor in Fourth Period Laboring Mothers. J. of World Future Medicine, Health and Nursing [Internet]. 2023Sep.1 [cited 2025Sep.6];1(3):258-69. Available from: https://ypidathu.or.id/journal/index.php/health/article/view/424