Fadel, H E Minor fetal hemoglobins in relation to gestational age. [electronic resource] - American journal of obstetrics and gynecology Nov 1981 - 704-8 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0002-9378 Standard No.: 10.1016/s0002-9378(15)33315-9 doi Subjects--Topical Terms: Erythrocytes--physiologyFemaleFetal Blood--analysisFetal Hemoglobin--analysisGestational AgeHemoglobin A--analysisHumansPregnancy