@article{a4647fcdff164d1b96d21370e85cee1a,
title = "Multinational comparative clinical evaluation of two long-acting injectable contraceptive steroids: Norethisterone oenanthate and medroxyprogesterone acetate. 1. Use-effectiveness",
author = "\{World Health Organization Expanded Programme of Research, Development, Research\}, \{Health Organization Expanded Programme of Research, Development, Research\} and G. Benagiano and E. Diczfalusy and Goldzieher, \{J. W.\} and R. Gray",
year = "1977",
month = may,
doi = "10.1016/0010-7824(77)90102-0",
language = "English (US)",
volume = "15",
pages = "513--533",
journal = "Contraception",
issn = "0010-7824",
publisher = "Elsevier Inc.",
number = "5",
}