004280a00a22001810004500020001800000245004400018250000800062100004000070260000800110260000900118300001300127082002000140306002000160306002800180760001700208015001100225887001000236  a92 9022 185 2  aEssential Drugs for Primary Health Care  a3rd  aSEARO Regional Health Papers No. 16  bWHO  c2000  a1-123pgs  a615-364.444 E77  aEssential Drugs  aCoomon Medical Problems  bWHO cupboard  a004516  a370/=