Diagnostic Value of Krebs von den Lungen (KL-6) for Interstitial Lung Disease: A European Prospective Cohort Paloma Millan-Billi; Iván Castellví; Laura Martinez-Martinez; Anais Mariscal; Silvia Barril; Miriana D¿Alessandro; Tomás Franquet; Diego Castillo;

Mucus Plugs as Precursors to Exacerbation and Lung Function Decline in COPD Patients Kwang Nam Jin; Hyo Jin Lee; Heemoon Park; Jung-Kyu Lee; Eun Young Heo; Deog Kyeom Kim; Hyun Woo Lee;

Latin American Registry of Idiopathic Pulmonary Fibrosis (REFIPI): Clinical Characteristics, Evolution and Treatment Fabián Caro; Ivette Buendía-Roldán; Lorena Noriega-Aguirre; María L. Alberti; Alexandre Amaral; Guillermo Arbo; Santiago Auteri; Aníbal Bermúdez; Pablo Curbelo; Manuel de Jesús Díaz Verduzco; Isabel De la Fuente; Juan I. Enghelmayer; Martin Fernández; Matías Florenzano; Fernando Guillen; Ronaldo Kairalla; Yuri Liberato; Carlos Matiz; Mayra Mejía; Viviana Moyano; Alfredo Pachas; Silvia V. Escotorin; Gabriela Tabaj; Esther Tavera; Alvaro Undurraga; Brenda Varela; José Luis Velazquez; Moises Selman;