Proximate analysis and GC-MS phytochemical profiling of aqueous extracts of Doryopteris raddiana, a plant used by the Mbya-Guaraní as a contraceptive

1. Sánchez-Hernández, E.
2. Cáceres-González, C.
3. Peña-Delgado, V.
4. García-Valdecasas Medina, J.I.
5. Casao, A.
6. Valdez-Ayala, S.
7. Pérez-Pe, R.
8. Martín-Gil, J.
9. Martín-Ramos, P.