Characterization of Inactive COPD Patients: Barriers to Physical Activity and Perceived Impact of Inactivity Jose M. Padilla; Enrique Alfaro; Raquel Casitas; Raúl Galera; Elisabet Martínez-Cerón; Elena Díaz-García; María Vargas Torres; Cristina López-Fernández; Paula Pérez-Moreno; Juan José Soler-Cataluña; Carolina Cubillos-Zapata; Francisco García-Río;

Clinical Features of Primary Pulmonary Artery Sarcoma: A Systematic Review and Pooled Analysis Fumihiro Kashizaki; Hao Chen; Nanami Tsuchiya; Sachiko Matsumoto; Reeko Osada; Atsushi Miyasaka; Mai Kaneko; Akitomo Kikuchi; Yui Kojima; Kentaro Yumoto; Naoki Hashiyama; Hiroyuki Osawa; Harumi Koizumi; Makoto Mo; Kenichi Takahashi; Takeshi Kaneko;

Development and Comparison of Reference Equations for the Six-Minute Walk Test in Spanish Healthy Adults Aged 45¿85 Years Elena Gimeno-Santos; Jordi Vilaró; Ane Arbilllaga-Etxarri; Beatriz Herrero-Cortina; Maria Antonia Ramon; Ana Balañá Corberó; Juan Carlos Fernández-Domínguez; Carlos Zárate-Tejero; Anael Barberan-Garcia; Tamara Del Corral; Begoña Jiménez-Reguera; Asenet López; Daniel López-Fernández; Patricia Madrid Treves; Roberto Martinez-Alejos; Gerard Muñoz; Antonio Ríos-Cortés; Ketty Ruiz-López; Marta San Miguel-Pagola; Natalia Sánchez-Cayado; Beatriz Valeiro; Marie Carmen Valenza; Gerald Valenza; Ana Beatriz Varas; Silvia Córdoba; Angeles Vega; Maria Linares; Eva María Madrid; Sonia Souto; Montserrat Vendrell; Judith Garcia-Aymerich;