The Cochrane Fertility Regulation Group: synthesizing the best evidence about family planning
2006 ◽
Vol 74
(4)
◽
pp. 280-286
◽
1977 ◽
Vol 199
(1134)
◽
pp. 129-144
◽
Keyword(s):
1988 ◽
Vol 20
(4)
◽
pp. 401-409
◽
2017 ◽
Vol 23
(2)
◽
pp. 240-251
◽
1976 ◽
Vol 195
(1118)
◽
pp. 187-198
◽