000 00314nam a22001097a 4500
999 _c18966
_d18966
020 _a9290221852
245 _aEssential drugs for primary health care :
_ba manual for health care workers /
_cWHO
260 _aNew Delhi :
_bWorld Health Organization,
_c2000.
300 _a128 p.
650 _aHealth care
942 _cRB