ECU Libraries Catalog

MLA

Elwood, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. 3rd ed. Oxford: Oxford University Press, 2007.

APA

Elwood, J. Mark. (2007). Critical appraisal of epidemiological studies and clinical trials. 3rd ed. Oxford: Oxford University Press.

Chicago

Elwood, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. 3rd ed. Oxford: Oxford University Press, 2007.