Authors: J Mark FitzGerald; Louis-Philipe Boulet; R Andrew McIvor; Sabrina Zimmerman; Kenneth R Chapman Journal: Can Respir J Date: 2006 Jul-Aug Impact factor: 2.409
Authors: R Andrew McIvor; Louis-Philippe Boulet; J Mark FitzGerald; Sabrina Zimmerman; Kenneth R Chapman Journal: Can Fam Physician Date: 2007-04 Impact factor: 3.275