AU - Small W, Donnelly ED TI - LEibel and phillips textbook of radiation oncology PT - JOUR DP - 2012 TA - JAMA pages = {93}, VI - 307 IP - 1 AID - 10.1001/jama.2011.1943 [doi] 4100 - http://dx.doi.org/10.1001/jama.2011.1943 SO - JAMA January 4, 2012 307(1):93