RT Journal Article SR Electronic T1 Needle Biopsy of the Liver JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 64 OP 73 VO 17 IS 2 A1 Rossmiller, H. R. A1 Brown, Charles H. A1 Whitman, John F. YR 1950 UL http://www.ccjm.org/content/17/2/64.abstract AB