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Long-term contraception by steroid-releasing implants. II A preliminary report on long-term contraception by a single silastic implant containing norethindrone acetate (ENTA) in women

ContraceptionContraceptive UseContraceptive ImplantsHormonal ContraceptiveMedicineSingle Silastic ImplantReproductive HealthGynecologySurgeryHormonal Male ContraceptionNorethindrone AcetateEndocrinologyLong-term ContraceptionPublic HealthWomen's Health