000 00411nam a2200157 4500
020 _a090051101X
050 0 0 _aMEDRA407
_b.H55
100 1 _aHill, Austin Bradford,
245 1 0 _aPrinciples of medical statistics.
250 _a9th ed., revised and enlarged.
260 _aLondon,
_bThe Lancet,
_c1971.
300 _aix, 390 p.;
_billus.
650 0 _aMedical statistics.
650 2 _aStatistics.
942 _cBK
999 _c2415
_d2415