Guttorm, E Menstrual bleeding with intrauterine contraceptive devices. [electronic resource] - Acta obstetricia et gynecologica Scandinavica 1971 - 9-16 p. digital Publication Type: Journal Article ISSN: 0001-6349 Standard No.: 10.3109/00016347109157279 doi Subjects--Topical Terms: AdolescentAdultAge FactorsAnemia--etiologyFemaleHemoglobinsHumansIntrauterine DevicesMenorrhagia--etiologyMenstruationParity