?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=A.&rft.au=Holwerda%2C+A.&rft.aulast=Holwerda&rft.date=2007&rft.degree=Doctoral&rft.title=Reproductive+behaviour+in+the+Philippines%3A+use+of+contraceptives+in+squatter+settlements+in+Bacolod+City