RT Journal Article SR Electronic T1 A distinctive case of dysphagia JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 42 OP 42 VO 170 IS 1 A1 Eric Greenwald A1 John D. Rawlinson A1 John K. Marshall YR 2004 UL http://www.cmaj.ca/content/170/1/42.abstract