000 00486pam a2200181 a 4500
020 _a0683032518 (pbk.)
050 0 0 _aMED RA652.2.
_bC55F57
100 1 _aFletcher, Robert H.
245 1 0 _aClinical epidemiology :
250 _a2nd ed.
260 _aBaltimore :
_bWilliams & Wilkins,
_c1988.
300 _axiii, 246 p.
_bill.
650 0 _aClinical epidemiology.
650 2 _aEpidemiologic Methods.
700 1 _aFletcher, Suzanne W.
700 1 _aWagner, Edward H.
942 _cBK
999 _c4341
_d4341