Kelly, A M Ferritin as an assessment of iron stores in normal pregnancy. [electronic resource] - British journal of obstetrics and gynaecology Jun 1977 - 434-8 p. digital Publication Type: Journal Article ISSN: 0306-5456 Standard No.: 10.1111/j.1471-0528.1977.tb12618.x doi Subjects--Topical Terms: DietFemaleFerritins--bloodHemoglobins--analysisHumansIron--administration & dosagePregnancy