Prediction of persistence in the use of the intra-uterine device from selected demographic factors [microform].

Manylion Llyfryddiaeth
Prif Awdur: De los Reyes, Eulogia 1937-
Fformat: Visual Material
Iaith:English
Cyhoeddwyd: Quezon City Photoduplication Service, University of the Philippines Library 1977.
Pynciau: