ELWOOD, J. M. (2000). Critical appraisal of epidemiological studies and clinical trials (Ed.2.). Oxford University Press.
Chicago Style (17. basım) AtıfELWOOD, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Ed.2. Oxford: Oxford University Press, 2000.
MLA (9th ed.) AtıfELWOOD, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Ed.2. Oxford University Press, 2000.
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