RT Journal Article SR Electronic T1 Time-dependent analysis in CHF follow-up JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 239 OP 239 DO 10.1503/cmaj.1050087 VO 173 IS 3 A1 Justin A. Ezekowitz A1 Paul W. Armstrong A1 Padma Kaul A1 Finlay A. McAlister A1 Carl Van Walraven YR 2005 UL http://www.cmaj.ca/content/173/3/239.1.abstract