RT Journal Article SR Electronic T1 The use of toluidine blue in locating abnormal parathyroid tissue at operation JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 393 OP 396 VO 110 IS 4 A1 I. B. Rosen A1 D. R. Bohnen A1 P. G. Walfish YR 1974 UL http://www.cmaj.ca/content/110/4/393.abstract