The effectiveness of a fertility awareness based method to avoid pregnancy in relation to a couple's sexual behaviour during the fertile time: A prospective longitudinal study
- Frank-Herrmann, P.
- Gnoth, C.
- Toledo, E.
- Baur, S.
- Pyper, C.
- Jenetzky, E.
- Strowitzki, T.
- Heil, J.
- Freundl, G.
ISSN: 1460-2350, 0268-1161
Año de publicación: 2007
Volumen: 22
Número: 5
Páginas: 1310-1319
Tipo: Revisión