RT Journal Article SR Electronic T1 Patchy hair loss on the scalp JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 472 OP 473 DO 10.3949/ccjm.79a.11129 VO 79 IS 7 A1 Matthew F. Helm A1 Joseph Housel A1 Ilene Rothman YR 2012 UL http://www.ccjm.org/content/79/7/472.abstract AB