BEAVER COUNTY CANCER SOCIETY; INTL AGENCY FOR RESEARCH ON CANCER; INTL UNION AGAINST CANCER; NCI, NATL CANCER INST; NEW SOUTH WALES STATE CANCER COUNCIL; NIH, NATL INST OF HEALTH; PATHOLOGY EDUCATION + RESEARCH FOUNDATIO; RAT NEWSLETTER; TIM CARACIO MEMORIAL CANCER FUND; US PUBLIC HEALTH SERVICE; WORKSHOPS ON ALLOANTIGENIC SYSTEMS OF RA