Référence: Women s attitudes towards mechanisms of action of family planning methods: survey in primary health centres in Pamplona, Spain
de Irala, Jokin; del Burgo, Cristina Lopez; de Fez, Carmen M Lopez; Arredondo, Jorge; Mikolajczyk, Rafael T; Stanford, Joseph B Women s attitudes towards mechanisms of action of family planning methods: survey in primary health centres in Pamplona, Spain. BMC Women s Health 2007: PMID: 17596261 PMCID: PMC1924844