00317nam a2200133Ia 4500020001500000082002300015100002200038245004500060260002900105300001400134500002500148500000500173700000500178  a1597180306  a518.5425bSt797.SD  aStata Corporation  aStata data management reference manualb  aTexasbStata Pressc2007  avi, 548p.  a"Stata - Release 10"  a  a