TY - GEN AU - Hout,M TI - Family planning program activity and patient enrollment rates in the United States, 1969 and 1971 SN - 0070-3370 PY - 1977///0630 KW - Demography KW - Family Planning Services KW - Humans KW - Mathematics KW - Socioeconomic Factors KW - United States N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -