RT Journal Article SR Electronic T1 Computer-assisted medicine: output devices. Part I JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 850 OP 851 VO 118 IS 7 A1 Covvey, H. D. A1 McAlister, N. H. YR 1978 UL http://www.cmaj.ca/content/118/7/850.abstract