TY - JOUR T1 - Observation on the effect of a staged nursing model on postpartum care of parturients with acute postpartum hemorrhage after vaginal delivery A1 - Wang,Fang A1 - Yang,Yanmei JO - Signa Vitae VL - 21 IS - 3 SP - 93 EP - 98 SN - 1845-206X Y1 - 2025 ER -