Assessing inspiratory muscle strength by sniff nasal inspiratory pressure. - Prigent, Hélène; Lejaille, Michèle; Falaize, Line; Louis, Alain; Ruquet, Maria; Fauroux, Brigitte; Raphael, Jean; Lofaso, Frédéric; Raphael, Jean Claude (Neurocritical care, 2004)