Author:
Gnoth Christian,Freundl-Schütt Tanja,Freundl Günter
Publisher
Springer Berlin Heidelberg
Reference34 articles.
1. Arbeitsgruppe NFP (2009) Natürlich und Sicher. Arbeitsheft, 8. Aufl. Trias, Stuttgart
2. Arbeitsgruppe NFP (2015) Natürlich und sicher, 17. Aufl. Trias Verlag, München
3. Arevalo M, Jennings V, Sinai I (2002) Efficacy of a new method of family planning: the Standard Days Method. Contraception 65:333–338
4. Arevalo M, Jennings V, Nikula M, Sinai I (2004) Efficacy of the new TwoDay Method of family planning. Fertil Steril 82:885–892
5. Bigelow JL, Dunson DB, Stanford JB, Ecochard R, Gnoth C, Colombo B (2004) Mucus observations in the fertile window: a better predictor of conception than timing of intercourse. Hum Reprod 19:889–892