• openAccess   New GOLD classification: longitudinal data on group assignment 

      Casanova, Ciro; Marin, Jose M.; Martinez-Gonzalez, Cristina; Lucas-Ramos, Pilar de; Mir-Viladrich, Isabel; Cosio, Borja; Peces-Barba, Germán; Calle-Rubio, Miryam; Solanes-García, Ingrid; Agüero Balbin, Ramón; de Diego, Alfredo; Feu-Collado, Nuria; Alfageme Michavila, Inmaculada; Irigaray, Rosa; Balcells, Eva; Llunell Casanovas, Antònia; Bautista i García, Joan Damià; Marín Royo, Margarita; Soler-Cataluña, Juan J.; Lopez-Campos, Jose Luis; Soriano, Joan B.; Torres, Juan P. de; COPD History Assessment In SpaiN (CHAIN) cohort BioMed Central (2014)
      Rationale: Little is known about the longitudinal changes associated with using the 2013 update of the multidimensional GOLD strategy for chronic obstructive pulmonary disease (COPD). Objective: To determine the COPD ...