RT Journal Article SR Electronic T1 Oral hyperpigmentation with weakness and salt-craving JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 180 OP 181 DO 10.3949/ccjm.89a.21036 VO 89 IS 4 A1 Joseph Zhou A1 S. Sethu K. Reddy YR 2022 UL http://www.ccjm.org/content/89/4/180.abstract AB