Mentzer and RDW Index in the Establishment of Iron Deficiency Anemia Diagnosis in the First Trimester of Pregnant Woman : Indeks Mentzer dan RDW dalam Diagnosis Anemia Defisiensi Besi pada Ibu Hamil Trimester Pertama - Belinda, Jane; Mardjuki, Edihan; Bororing, Sheella R. (Indonesian Socety of Obstetrics and Gynecology, 2023)