RT Journal Article
SR Electronic
T1 The "Perfect Contraceptive" Population
JF Science
JO Science
FD American Association for the Advancement of Science
SP 1177
OP 1182
DO 10.1126/science.169.3951.1177
VO 169
IS 3951
A1 Bumpass, Larry
A1 Westoff, Charles F.
YR 1970
UL http://science.sciencemag.org/content/169/3951/1177.abstract
AB