Bongaarts, John
A new method for estimating contraceptive failure rates / John Bongaarts & Germán Rodriguez - New York : Population Council (PC) , 1989 - 49p. : ill. ; 23 cm. - Working papers (Population Council. Research Division), no. 6 .
Includes bibliographical references.
Birth control--Failures--Contraception
Contraception --Statistics & Numerical data
US PC RD WP-6
A new method for estimating contraceptive failure rates / John Bongaarts & Germán Rodriguez - New York : Population Council (PC) , 1989 - 49p. : ill. ; 23 cm. - Working papers (Population Council. Research Division), no. 6 .
Includes bibliographical references.
Birth control--Failures--Contraception
Contraception --Statistics & Numerical data
US PC RD WP-6