About John R. Davis
John R. Davis, MD, is professor emeritus, Professor of Pathology and Obstetrics/Gynecology from the University of Arizona. Dr. Davis served as Chief of Anatomic Pathology, Director of Surgical Pathology, and Medical Director of Cytogenetics. Areas of special interests to Dr. Davis included gynecologic pathology, cytology, and cytogenetics. He was involved in flow cytometry (DNA tumor ploidy), human papilloma virus research, and interphase cytogenetics (DNA in situ hybridization). He served as the institutional pathologist for two national research and service organizations: The Gynecology Oncology Group and the Pediatric Oncology Group.