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Type

Journal article

Journal

Lancet

Publication Date

07/03/1981

Volume

1

Pages

541 - 546

Keywords

Age Factors, Behavior, Biology, Bleeding, Cardiovascular Effects, Contraception, Contraceptive Methods--side effects, Demographic Factors, Diseases, Family Planning, Heart Diseases, Mortality, Oral Contraceptives--side effects, Parity, Physiology, Population, Population Characteristics, Population Dynamics, Smoking, Adult, Age Factors, Cardiovascular Diseases, Contraceptives, Oral, Female, Humans, Middle Aged, Prospective Studies, Risk, Smoking