00433nam a22001217a 4500020002200000022001400022100002500036245005500061250004900116260003500165300001300200306009800213  a978 92 4 120999 1  a0512-3054  dWHO Expert Committee  aWHO Expert Committee on Biological Standardization  a66th report, WHO Technical Report Series 999  aGeneva, SwitzerlandbWHOc2016  a1-267pgs  aWHO Technical Report Series, Biological products - standards, Vaccine - standards, Guidelines