[The 1st phase of a prospective study of the effectiveness of natural family planning conducted in French-speaking Belgium].
Year: 1994
Type: article
Source: PubMed
Author: M A De Leizaola
Institution: Assistance Publique – Hôpitaux de Paris
Language: French
Field: Medicine
Domain: Health Sciences
Open Access status: closed
OpenAlex ID: W2438407228
