Cargando…
Safety, efficacy and patient satisfaction with continuous daily administration of levonorgestrel/ethinylestradiol oral contraceptives
The progestational steroid norgestrel was synthesized and tested between 1960 and 1965 through an international cooperation between Wyeth, USA and Schering, Berlin. It is a mixture of two “enantiomers,” with only one form (designated as levonorgestrel) biologically active. When taken orally, it is r...
| Autores principales: | , , |
|---|---|
| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Dove Medical Press
2009
|
| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2778424/ https://www.ncbi.nlm.nih.gov/pubmed/19936155 |