Biomedical subjects
J Bowie
Publications and source records attributed to J Bowie.
Teaching differential diagnosis by computer: a pathophysiological approach.
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MUMPS--an economical and efficient time-sharing system for information management.
MUMPS, the Massachusetts General Hospital Utility MultiProgramming System, is a compact time-sharing system for information management. This paper discusses the historical development of MUMPS and describes the basic modules found in its implementation. Detailed descriptions of the time-sharing executive, MUMPS language interpreter, input/output file system, and global data base are given, emphasizing their integration into an easy-to-use yet powerful system for application program design, development and maintenance.
Comparative value of four methods of investigating the pancreas.
In a prospective study for the diagnosis of pancreatic cancer, ultrasonography, radionuclide scanning, selective arteriography, and endoscopic retrograde cholangiopancreatography (ERCP) were compared. Eighty-nine consecutive patients were investigated; 58 underwent laparotomy, and 36 were found to have periampullary cancer; seven had other malignant tumors within the abdomen, and nine had pancreatitis on biopsy. Five had other benign disease, and there was one negative laparotomy. Thirty-one patients who did not have laparotomy have shown no evidence of cancer at one year follow-up. Ultrasonography was found to be more reliable than scan or arteriography in the detection and diagnosis of a mass in the pancreas. ERCP achieved the highest rate of correct definitive diagnosis.
Methods of implementation of the MUMPS global data-base.
Recent standardization of the MUMPS language (ANSI X11.1-1977) has resulted in increased investigations into its efficient implementation. Of particular concern is the method of implementation of the MUMPS hierarchical data file, or global. Two implementation techniques have found substantial support: a traditional technique utilizing linked physical blocks, and a more recent, self-indexing method based on the theory of balanced trees. Comparison of these methods shows that the balanced-tree implementation offers significant advantages in most MUMPS environments.
Special feature: Dr. John Bowie comments on the Bowie and Dick test.
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