RT Journal Article SR Electronic T1 Irradiation of the hypophysis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 136 OP 136 VO 108 IS 2 A1 Mackenzie, P. A1 Meakin, J. W. A1 Simpson, W. J. YR 1973 UL http://www.cmaj.ca/content/108/2/136.abstract