Ervani N, Lubis B, Azlin E, Tjipta G, Emsyah L. Comparison of the effect of oral multiple dose with single intramuscular vitamin K1 administration on prothrombin time in term baby. PI [Internet]. 31Oct.2009 [cited 20Apr.2024];49(5):281-. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/584