000 00435nam a2200169Ia 4500
008 220913s9999 xx 000 0 und d
041 _aeng
082 _a613.9 WHO
100 _aWorld Health Organization
245 _aNatural family planning: a guide to provision of services
250 _a1
260 _aGeneva
_bWHO
_c1988
300 _avi, 82p.
650 _aA.P.H - Public health
906 _a1988-89
999 _c177604
_d177604
773 _aB.Pharm