000 00394nam a2200121 a 4500
020 _a9241542411
050 0 0 _aRG136.5
245 0 0 _aNatural family planning :
_ba guide to provision of services.
260 _aGeneva :
_bWorld Health Organization ;
_aAlbany, NY :
_bWHO Publications Center USA [distributor],
_c1982.
300 _avi, 82 p. :
_bill. ;
650 0 _aNatural family planning.
942 _cBK
999 _c776
_d776