RT Journal Article SR Electronic T1 The many appearances of papillary carcinoma of the thyroid JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 207 OP 216 VO 43 IS 4 A1 William A. Hawk A1 J. Beach Hazard YR 1976 UL http://www.ccjm.org/content/43/4/207.abstract AB