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.