Opportunities lost: Barriers to increasing the use of effective contraception in the Philippines Nagai, Mari ; Bellizzi, Saverio ; Murray, John ; Kitong, Jacqueline ; Cabral, Esperanza I. ; Sobel, Howard L. Abstract Publication: PLoS ONE Pub Date: July 2019 DOI: 10.1371/journal.pone.0218187 Bibcode: 2019PLoSO..1418187N