RT Journal Article SR Electronic T1 Fine-needle aspiration biospy of the thyroid JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1029 OP 1032 VO 110 IS 9 A1 Crockford, P. M. A1 Bain, G. O. YR 1974 UL http://www.cmaj.ca/content/110/9/1029.abstract