共 50 条
- [21] AN OVERVIEW OF THE EORTC BREAST-CANCER COOPERATIVE GROUPS ACTIVITIES EUROPEAN JOURNAL OF CANCER & CLINICAL ONCOLOGY, 1983, 19 (12): : 1665 - 1669
- [23] AN APPROACH TO CONDUCTING EPIDEMIOLOGIC RESEARCH IN COOPERATIVE CLINICAL-TRIALS GROUPS PROCEEDINGS OF THE AMERICAN ASSOCIATION FOR CANCER RESEARCH, 1983, 24 (MAR): : 190 - 190
- [26] HELP NEEDED IN COOPERATIVE CLINICAL RESEARCH ON ENDOMETRIAL CANCER OBSTETRICS AND GYNECOLOGY, 1967, 29 (06): : 875 - &
- [27] COOPERATIVE CLINICAL RESEARCH PROGRAM OF NATIONAL CANCER INSTITUTE AMERICAN JOURNAL OF ROENTGENOLOGY RADIUM THERAPY AND NUCLEAR MEDICINE, 1970, 108 (01): : 14 - &