000 00615nam a2200157 a 4500
001 132034
003 0000000000
005 20250408094523.0
006 s r n 0 0
008 220506n 000 0 eng d
020 _a9241542411
245 0 0 _aNatural family planning :
_ba guide to provision of services.
260 _aGeneva :
_bWorld Health organization,
_c1988.
300 _avi, 82 pages ;
_c24 cm.
999 _c15176
_d15176