[Two-year clinical performance of the Levonorgestrel 20 T IUD].
Zanconato
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D003267:Contraception; D019049:Developed Countries; D004194:Disease; D005060:Europe; D005193:Family Planning Services; D005500:Follow-Up Studies; D007434:Intrauterine Devices; D007436:Intrauterine Devices, Medicated; D007558:Italy; D008599:Menstruation Disturbances; D012106:Research
Clinical Research; Contraception; Contraceptive Methods--complications; Contraceptive Methods--side effects; Developed Countries; Diseases; Europe; Family Planning; Follow-up Studies; Italy; Iud, Hormone Releasing--complications; Iud, Hormone Releasing--side effects; Iud--complications; Iud--side effects; Mediterranean Countries; Menstruation Disorders; Research Methodology; Southern Europe; Studies