000 00390nam a2200169Ia 4500
008 200208s9999 xx 000 0 und d
020 _a9241207965
082 _a615.1 Wor
100 _aWorld Health organizations.
245 4 _aThe use of essential drugs.
260 _aGeneva
260 _bWHO.
260 _c1990
300 _a57 P.
650 _aEssential drugs.
942 _cDB
999 _c166344
_d166344