000 00473nam a2200145 a 4500
001 016843
008 070518s1988 sq a f 000 u eng u
082 0 _a362.1
_bW927c
110 0 _aWorld Health Organization
_97376
245 0 4 _aThe challenge of implementation :
_bdistrict health systems for primary health care /
_cWorld Health Organization
260 _aGeneva Switzerland ;
_bWHO,
_c1988
300 _a72 p.
650 7 _aAtención Primaria de Salud
_2
_9427
942 _cBK
999 _c15657
_d15657