1. The definition of a psychiatrist;Langsley;Am J Psychiatry,1982
2. Physical illness presenting as psychiatric disorder: Guidelines for differential diagnosis;LaBruzza;J Operational Psychiat,1981
3. The psychiatric physical examination—Part I: Methodology;Summers;J Clin Psychiatry,1981
4. Relative contributions of history-taking, physical examination, and laboratory investigation to diagnosis and management of medical outpatients;Hampton;Br Med J,1975
5. Physical illness in a sampling of California psychiatric patients;Koran,1985