RT Journal Article SR Electronic T1 Letter from the Himalayas JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 310 OP 310 DO 10.1503/cmaj.1041012 VO 171 IS 4 A1 Ibbotson, Geoffrey C. YR 2004 UL http://www.cmaj.ca/content/171/4/310.1.abstract