Effects of smoking and the pill on the blood count.
D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004909:Erythrocyte Indices; D004967:Estrogens / Q000494:pharmacology; D005260:Female; D006400:Hematocrit; D006452:Hemoglobinometry; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D012907:Smoking
D003276:Contraceptives, Oral; D004967:Estrogens