Institute of Medicine (U.S.). Committee on Technological Innovation in Medicine, Howard Hughes Medical Institute, National Center for Health Services Research, & Gelijns, A. (1990). Modern methods of clinical investigation. National Academy Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Institute of Medicine (U.S.). Committee on Technological Innovation in Medicine, Howard Hughes Medical Institute, National Center for Health Services Research, και Annetine Gelijns. Modern Methods of Clinical Investigation. Washington, D.C.: National Academy Press, 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)Institute of Medicine (U.S.). Committee on Technological Innovation in Medicine, et al. Modern Methods of Clinical Investigation. National Academy Press, 1990.
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