Authors: A J Sandford; T Chagani; T D Weir; J E Connett; N R Anthonisen; P D Paré Journal: Am J Respir Crit Care Med Date: 2001-02 Impact factor: 21.405
Authors: A Papi; M Romagnoli; S Baraldo; F Braccioni; I Guzzinati; M Saetta; A Ciaccia; L M Fabbri Journal: Am J Respir Crit Care Med Date: 2000-11 Impact factor: 21.405