PT  - JOURNAL ARTICLE
AU  - Bumpass, Larry
AU  - Westoff, Charles F.
TI  - The "Perfect Contraceptive" Population
AID  - 10.1126/science.169.3951.1177
DP  - 1970 Sep 18
TA  - Science
PG  - 1177--1182
VI  - 169
IP  - 3951
4099  - http://science.sciencemag.org/content/169/3951/1177.short
4100  - http://science.sciencemag.org/content/169/3951/1177.full
SO  - Science1970 Sep 18; 169