00449nam a22001577a 4500020002200000022001400022100000800036245004900044250003600093260001400129300001300143306003700156942000800193999001500201952007500216  a978 92 4 120985 4  a0512-3054  dWHO  aThe Selection and Use of Essential Medicines  aWHO Technical Report Series 985  bWHOc2013  a1-219pgs  aWHO Technical Report Series, WHO  2ddc  c4933d4933  yBKpSLML433833w2022-01-21402ddcaSLMLbSLML1000d2022-01-21l070