000			01706pam a2200433 a 4500
999			_c8088 _d8088
001			4489432
003			OSt
005			20200219154844.0
008			970613s1998 enka b 001 0 eng c
010			_a 97022473
020			_a0192627457 (hbk)
020			_a0192627449 (pbk.)
040			_aDNLM/DLC _cDLC _dDLC
050	0	0	_aRA652.4 _b.E483 1998
060	1	0	_aWA 950 E52ca 1998
082	0	0	_a614.4 ELW _221
100	1		_aElwood, J. Mark.
245	1	0	_aCritical appraisal of epidemiological studies and clinical trials / _cJ. Mark Elwood.
250			_a2nd ed.
260			_aOxford ; _aNew York : _bOxford University Press, _c1998.
300			_ax, 448 p. : _bill. ; _c24 cm.
440		0	_aOxford medical publications
500			_aRev. ed. of: Causal relationships in medicine / J. Mark Elwood. 1988.
504			_aIncludes bibliographical references (p. 359-371) and index.
650		0	_aEpidemiology _xResearch _xMethodology.
650		0	_aClinical trials.
650		0	_aEpidemiology _xResearch _xEvaluation.
650		0	_aClinical trials _xEvaluation.
650		0	_aDiseases _xCauses and theories of causation.
650	1	2	_aEpidemiologic Methods.
650	2	2	_aEpidemiology.
650	2	2	_aClinical Trials.
700	1		_aElwood, J. Mark. _tCausal relationships in medicine.
856	4	2	_3Publisher description _uhttp://www.loc.gov/catdir/enhancements/fy0605/97022473-d.html
856	4	1	_3Table of contents only _uhttp://www.loc.gov/catdir/enhancements/fy0605/97022473-t.html
906			_a7 _bcbc _corignew _d1 _eocip _f19 _gy-gencatlg
942			_2ddc _cRFT