RT Journal Article SR Electronic T1 Impact of new technologies in medicine: progress and pitfalls JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 66 OP 66 VO 160 IS 1 A1 C. E. Caplan A1 J. Hoey YR 1999 UL http://www.cmaj.ca/content/160/1/66.abstract AB