RT Journal Article SR Electronic T1 Granuloma annulare and vitamin D resistant rickets JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 75 OP 77 VO 41 IS 2 A1 Robinowitz, Bernard A1 Roenigk, Henry H. A1 Schumacher, O. Peter YR 1974 UL http://www.ccjm.org/content/41/2/75.abstract AB