SciELO - Scientific Electronic Library Online

SciELO.org - Scientific Electronic Library Online

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3. AF Glasier AF, KB Smith KB, van der Spuy Z, et al Amenorrhea associated with contraception - an international study on acceptability. Contraception 2003;67:1-8. [http://dx.doi.org/10.1016/50010-7824(02)00474-2]

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