RT Journal Article SR Electronic T1 Chronic fatigue syndrome JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 11a OP 12 VO 141 IS 1 A1 G. H. Ross A1 W. J. Rea A1 A. R. Johnson YR 1989 UL http://www.cmaj.ca/content/141/1/11a.abstract