000 00387nam a2200157Ia 4500
008 180710s9999 xx 000 0 und d
020 _a245764
082 _a610.18
_bHIL
100 _aBradford Hill, Austin
245 _aPrinciples of medical statistics
250 _a8th ed.
260 _aLondon
_bLancet
_c1967
300 _aix, 381 p.
650 _aMedical statistics
942 _cS
999 _c75490
_d75490