TI - HIstopathology of irradiation from external and internal sources PT - JOUR DP - 1949 TA - Journal of the American Medical Association pages = {1310}, VI - 140 IP - 16 AID - 10.1001/jama.1949.02900510060038 [doi] 4100 - http://dx.doi.org/10.1001/jama.1949.02900510060038 SO - Journal of the American Medical Association August 20, 1949 140(16):1310