TY  - BOOK
AU  - Potter R G
TI  - Expanded report on social and demographic correlates of IUCD effectiveness: the Taichung IUCD medical follow-up study
U1  - 301.426 
PY  - 1967///
CY  - Michigan
PB  - Univ. Population Studies Center
KW  - Contraceptives
KW  - Family planning
ER  -