Comparing Spirometric Reference Values From Childhood to Old Age Estimated by LMS and Linear Regression Models David Martínez-Briseño, Laura Gochicoa-Rangel, Luis Torre-Bouscoulet, Silvia Cid-Juárez, Rosario Fernández-Plata, Luisa Martínez-Valdeavellano, Sofía Chapela-Lara, Rodrigo del Río-Hidalgo, Rogelio Pérez-Padilla

Prevalence and Determinants of COPD in Spain: EPISCAN II Joan B. Soriano, Inmaculada Alfageme, Marc Miravitlles, Pilar de Lucas, Juan José Soler-Cataluña, Francisco García-Río, Ciro Casanova, José Miguel Rodríguez González-Moro, Borja G. Cosío, Guadalupe Sánchez, Julio Ancochea

Spirometric Transition of at Risk Individuals and Risks for Progression to Chronic Obstructive Pulmonary Disease in General Population Yong Suk Jo, Chin Kook Rhee, Sang Hyuk Kim, Hyun Lee, Joon Young Choi