READ ANY GOOD BOOKS LATELY? How about sharing it with your colleagues, by writing a book review for the SIGBIO Newsletter. Anything from a paragraph or two to a full, indepth critical review is welcome. Send it to the Editor. Please! *w*www*wwwww******ee**eee**www*ee*ew*wwww**wweeww* MUG MEETING MOVES The 1980 Annual meeting of the MUMPS Users' Group has been moved from its "traditional" June date to 13-16 May 1980, announced 1980 MUG Program Chairman Dr. Jack Bowie. Dr. Bowie noted that the 1980 meeting in Sam Diego will immediately preeeed the National Computer Conference which will also be exposing the MUMPS computer language to fans of interactive computing. The ninth annual meeting of the MUMPS Users' Group, to be held at the Islandia Hyatt House in San Diego, will offer more of the features that have contributed to the rapid growth of attendance of MUG meetings, according to Dr. Bowie. The Bedford, 5M-based group will enrich their traditional technical sessions of invited and contributed papers on MUMPS language, systems and applications with a number of interactive panels on topics of particular interest to the computing and applications communities; a wide variety of workshops for programmers, managers, designers and code users and an extensive informal program taking advantage of the Islandia Hyatt's Mission Bay location and San Diego's unbeatable climate. This year the needs of those new to the MUMPS community are being emphasized, with a first day devoted to introductory technical and social activities to familiarize newcomers with the MUMPS community, the readily-available public domain and commercial packages; and with the other experienced users who may be of assistance. For further meeting details and a copy of the Call for Participation; contact Jack Bowie, The MITRE Corporation, 1820 Dolley Madison Blvd., McLean, VA 22102. For further information on the factors of ANSI Standard MUMPS and the benefits offered by the Users' Group, contact Richard E. Zapolin, MUG, P. O. Box 208, Bedford, M A 01730. BOOK P~VIEW For eighty years, it was thought that the use of x-rays in medicine had reached its final form. However, during the 70's, largely with the help of the computer, we have seen great advances take place in x-ray and other irradiated imaging technology. A growing awareness and concern for the risks of radiation exposure have stimulated intensive research in several directions. The use of high frequency ultrasound presents the opportunity for an alternative to x-irradiation for medical imaging, which may present less health risk to the patient. On the other side of the coin, x-ray is still an important diagnostic tool, and exciting advances have been made in the direction of maximizing the information obtainable from reasonable exposure to x-rays, notably in the area of synthesis of two- and three-dimensional images from multiple-angle irradiations, or tomographs. In August 1978, the International Federation for Information Processing (IFIP), Technical Committee 4 on Information Processing in Health Care and Biomedical Research held a Working Conference on Computer Aided Tomography and Ultrasonics in Medicine, in Haifa, Israel. The Conference brought together many of the leading researchers in these fast-moving fields. The 21 technical papers represent a distillation of some of the best of current research efforts, with emphasis on computer aided diagnostic techniques. A final panel discussion considers the radiation safety and exposure questions and also compares the x-ray and ultrasound technologies in terms of image definition and tissue discrimination capabilities. Whereas soft tissue discrimination was until a few years ago almost exclusively the domain of the ultrasound technology, the advent of computer aided tomography gave x-rays a piece of that action, and stimulated a healthy and quite productive competition between the two technologies. The Proceedings of the Conference have been published by North-Holland Publishing Company* as Computer Aided Tomo raphy and Ultrasonics in Medicine, ed. J. Ravin, J. F. Greenleaf and G. T. Herman (North-Holland 1979, ISBN: 0 444 85299 9). This volume should be of interest to medical students and practitioners as well as to engineers and radiologists. 1980 COMPUTER SCIENCE CONFERENCE SCHEDULED IN KANSAS CITY The 1980 ACM Computer Science Conference is scheduled for February 12-14 in Kansas City, MO. In addition to invited state-of-the-art papers, the CSC program is to consist of contributed papers on current research, to be presented at 15minute intervals. Researchers in colleges (faculty and students), universities, industry and government who want to report on their work should submit an abstract in camera-ready form by December 1 to Albert D. Bethke, Computer Science Department, The University of Kansas, Lawrence, KS 66045; TEL: 913-864-4482. The Eighth Annual Computer Science Employment Register is an important feature of CSC. Both applicants and employers must file their registration on official forms. These may be obtained from, and should be returned to: Orrin E. Taulbee, Computer Science Employment Register, Dept. of Computer Science, University of Pittsburgh, Pittsburgh, PA 15260; TEL: 412-624-6465. * O. Box 211, Amsterdam, The Netherlands and 52 Vandersilt Avenue, New York, NY 10017 P. Kent Hixley, where are you? I0

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