000 00353pam a2200145a 44500
008 230405s xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aWHO
245 _aTHE USE OF ESSENTIAL DRUGS
250 _a35 1999
260 _aGENEVA
_bWORLD HEALTH ORGANIZATION PUBLICATION GENEVA
_c
300 _a61
650 _aPHARMACEUTICS
906 _a960
999 _c276231
_d276231