RT Journal Article SR Electronic T1 Supravalvular aortic stenosis, mental retardation and a characteristic facies JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 295 OP 297 VO 94 IS 6 A1 J. E. Fay A1 R. B. Lynn A1 M. W. Partington YR 1966 UL http://www.cmaj.ca/content/94/6/295.abstract