000 cam a22 a 4500
999 _c47749
_d47749
003 BD-DhIDS
005 20180620222112.0
008 830309s1956 nyua 000 0 eng
040 _aBD-DhIDS
_cBD-DhIDS
_dBD-DhIDS
041 _aEng
082 _a311
_bHIL
100 1 _aHill, A. Bradford
245 1 0 _aPrinciples of medical statistics /
_cA. Bradford Hill
250 _a6th ed.
260 _aNew York :
_bOxford University Press ,
_c1956
300 _aix, 314p. :
_bill. ;
_c22 cm.
504 _aIncludes bibliographical references and index.
650 0 4 _aMedical statistics
942 _2ddc
_cBK