RT Journal Article SR Electronic T1 Episodic palpitations in pheochromocytoma JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 714 OP 714 DO 10.1503/cmaj.090124 VO 181 IS 10 A1 Lee S. Roth A1 Janis Nicholson YR 2009 UL http://www.cmaj.ca/content/181/10/714.abstract