Keywords: cyclebeads, NFP, SDM, Standard Days Method, TDM, TwoDay Method, Contraceptive Technology, 2004
Keywords: cyclebeads,  SDM, Standard Days Method, TDM, TwoDay Method, Contraceptive Technology, 2006
Keywords: Collar del Ciclo, Collier du Cycle, cyclebeads, MDF, Methode des Jours Fixes, Metodo de Dias Fijos, MJF, SDM, Standard Days Method, USAID, French, Spanish, Leçons sur la sécurité contraceptive, Disponibilidad Asegurada de Insumos Anticonceptivos