The neurobiology of the narcoleptic syndrome.

Relevant electroencephalographic, psychopharmacologic, and genetic research reports are described in support of a neurobiological explanation of the narcoleptic syndrome. Despite increased support in this realm, no single neurobiological theory has won unanimous approval among sleep researchers, which has led toward speculation that the condition may be heterogeneous in nature. A multifactorial perspective, including psychological as well as neurobiological influences, appears to be the most productive model for research.

Mass screening in colorectal cancer.

The results in a continuing study, using the Haemoccult slides for mass screening in colorectal cancer in asymptomatic individuals in Central Queensland, are presented. They are compared with those in a review of the incidence of the same disease treated during the years 1972 to 1976 in the same area. A discussion is undertaken to determine whether the slides test will improve the five-year survival rates in this district.

A Report of Three Cases of Small-Bowel Obstruction Arising from Mesenteric Defects, with a Review of the Literature.

Herniation of small bowel through defects in the gastro-intestinal mesentery is a rare cause of acute bowel obstruction. Its possible presence must be borne in mind if the clinical condition of the patient suggests bowel obstruction, despite the absence of external herniae and in the absence of any history of previous abdominal surgery. Early operation is essential, and three cases of the condition are now reported.