[What is the best method of contraception?].
Wilken
H
H
D000028:Abortion, Induced; D003267:Contraception / Q000379:methods*; D003276:Contraceptives, Oral / Q000008:administration & dosage / Q000191:economics; D005193:Family Planning Services / Q000379:methods*; D005260:Female; D005380:Financing, Government; D005858:Germany; D006801:Humans; D011247:Pregnancy
D003276:Contraceptives, Oral
Welcher ist der beste Weg zur Schwangerschaftskontrolle?