Concordance of self-reported hormonal contraceptive use and presence of exogenous hormones in serum among African women
| Autor: | Pyra, Maria, Lingappa, Jairam R., Heffron, Renee, Erikson, David W., Blue, Steven W., Patel, Rena C., Nanda, Kavita, Rees, Helen, Mugo, Nelly R., Davis, Nicole L., Kourtis, Athena P., Baeten, Jared M. |
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| Zdroj: | In Contraception April 2018 97(4):357-362 |
| Databáze: | ScienceDirect |
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