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Use-Effectiveness of Oral Contraceptives by Demographic Characteristics**This investigation was supported by grants from the Population Council and Public Health Service Grant HS00011 from the National Center for Health Services Research and Development. We gratefully acknowledge their assistance. ††For reprints write to: Planned Parenthood Center, 210 Franklin Street, Buffalo, New York 14202.
Ogra, Swtantarta, Feldman, Joseph G., Lippes, JackVolume:
22
Language:
english
Journal:
Fertility and Sterility
DOI:
10.1016/s0015-0282(16)38527-2
Date:
October, 1971
File:
PDF, 611 KB
english, 1971