The Physician Data Query (PDQ) System is a clinically oriented computer data base developed to make recent information on cancer treatment widely available to the medical community. It represents an effort to promote diffusion of information about the treatment of cancer throughout the country, facilitates access to clinical trials, and accelerates the practical application of advances in research. The computer system provides information about state-of-the-art cancer treatment which is updated monthly by an editorial board. It also includes a file of active cancer-research protocols and directory of physicians and organizations providing cancer care to which physicians can gain access by geographic location. The PDQ system provides a search and display method in a simple menu driven process. Transmission of information about cancer over commercial telecommunication networks gives professionals easy access to the system through individual computer terminals.
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