Critical appraisal of epidemiological studies and clinical trials /
Elwood, J. Mark.
Critical appraisal of epidemiological studies and clinical trials / J. Mark Elwood. - 2nd ed. - Oxford ; New York : Oxford University Press, 1998. - x, 448 p. : ill. ; 24 cm. - Oxford medical publications .
Rev. ed. of: Causal relationships in medicine / J. Mark Elwood. 1988.
Includes bibliographical references (p. 359-371) and index.
0192627457 (hbk) 0192627449 (pbk.)
97022473
Epidemiology--Research--Methodology.
Clinical trials.
Epidemiology--Research--Evaluation.
Clinical trials--Evaluation.
Diseases--Causes and theories of causation.
Epidemiologic Methods.
Epidemiology.
Clinical Trials.
RA652.4 / .E483 1998
614.4 ELW
WA 950 E52ca 1998
Critical appraisal of epidemiological studies and clinical trials / J. Mark Elwood. - 2nd ed. - Oxford ; New York : Oxford University Press, 1998. - x, 448 p. : ill. ; 24 cm. - Oxford medical publications .
Rev. ed. of: Causal relationships in medicine / J. Mark Elwood. 1988.
Includes bibliographical references (p. 359-371) and index.
0192627457 (hbk) 0192627449 (pbk.)
97022473
Epidemiology--Research--Methodology.
Clinical trials.
Epidemiology--Research--Evaluation.
Clinical trials--Evaluation.
Diseases--Causes and theories of causation.
Epidemiologic Methods.
Epidemiology.
Clinical Trials.
RA652.4 / .E483 1998
614.4 ELW
WA 950 E52ca 1998