00310nam a2200133Ia 4500020001500000082002300015100002200038245002500060260002900085300002700114500002500141500000500166700000500171  a1597180238  a518.5425bSt797.SU  aStata Corporation  aStata user's guideb  aTexasbStata Pressc2007  aix, 356p. Bibl, Index.  a"Stata - Release 10"  a  a