Optoelectronic Plethysmography as an Alternative Method for the Diagnosis of Unilateral Diaphragmatic Weakness. - Boudarham, Julien; Pradon, Didier; Prigent, Hédène; Falaize, Line; Durand, Marie-Christine; Meric, Henri; Petitjean, Michel; Lofaso, Frédéric (CHEST, 2013)