RT Journal Article SR Electronic T1 Calcification in the liver, an unusual feature of ductal cell hepatic carcinoma JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 93 OP 105 VO 37 IS 2 A1 Phillip M. Hall A1 Eugene I. Winkelman A1 William A. Hawk A1 Robert E. Hermann YR 1970 UL http://www.ccjm.org/content/37/2/93.abstract AB