TY  - BOOK
AU  - Porter,Cedric W.
AU  - Waife,Ronald S.
TI  - Intrauterine devices: current perspectives 
T2  - Pathways in population planning
PY  - 1978///
CY  - [Chestnut Hill, Mass.]
PB  - Pathfinder Fund
KW  - Intrauterine contraceptives
ER  -