RT Journal Article SR Electronic T1 A Vexing Hormone-Serotonin JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 73 OP 75 VO 29 IS 2 A1 McCubbin, James W. YR 1962 UL http://www.ccjm.org/content/29/2/73.abstract AB