RT Journal Article SR Electronic T1 Cat naps: an elderly woman with recurrent syncope JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 940 OP 940 VO 169 IS 9 A1 Sheldon M. Singh A1 Mohammad I. Zia A1 Robert A. Fowler YR 2003 UL http://www.cmaj.ca/content/169/9/940.abstract