Não informado. (1987). Cleveland Clinic Journal of Medicine. Cleveland Clinic Educational Foundation.
Chicago-referens (17:e uppl.)Não informado. Cleveland Clinic Journal of Medicine. Cleveland, Ohio: Cleveland Clinic Educational Foundation, 1987.
MLA-referens (8:e uppl.)Não informado. Cleveland Clinic Journal of Medicine. Cleveland Clinic Educational Foundation, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.