000 00339nam a2200133Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aAustin Bradford Hill
245 0 _aBradford Hills Principles Of Medical Statstics
250 _a12th(1993)
260 _bB I Publications
300 _a339
650 _aBio-Statistics
942 _cPARAC
999 _c3753
_d3753