RT Journal Article SR Electronic T1 Chemical detection of pheochromocytoma JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1113 OP 1114 VO 116 IS 10 A1 Gupta, R. N. A1 Keane, P. M. YR 1977 UL http://www.cmaj.ca/content/116/10/1113.abstract