Mild Cognitive Impairment in Moderate to Severe COPD: A Preliminary Study - Villeneuve, Sylvia; Pepin, Véronique; Rahayel, Shady; Bertrand, Josie-Anne; de Lorimier, Myriam; Rizk, Amanda; Desjardins, Catherine; Parenteau, Simon; Beaucage, François; Joncas, Steve; Monchi, Oury; Gagnon, Jean-François (Chest, 2012)