Assessment of Induced Sputum Cellularity in COPD Patients Belonging to Two Different Classes of Air Pollution Exposure Silvano Dragonieri, Donato Lacedonia, Giulia Scioscia, Grazia Pia Palladino, Vitaliano Nicola Quaranta, Pierluigi Carratù, Onofrio Resta, Maria Pia Foschino Barbaro, Giovanna Elisiana Carpagnano

Sputum Microbiota Correlates With Metabolome and Clinical Outcomes in Asthma–Bronchiectasis Overlap Xiao-xian Zhang, Zhen-feng He, Jia-hui He, Zhao-ming Chen, Cui-xia Pan, Zhen-hong Lin, Lai-jian Cen, Hui-min Li, Yan Huang, Ming-xin Shi, Wei-jie Guan

Spanish Asthma Management Guidelines (GEMA) v.5.1. Highlights and Controversies Vicente Plaza, Isam Alobid, Cesáreo Alvarez, Marina Blanco, Jorge Ferreira, Gabriel García, Antonio Gómez-Outes, Fernando Gómez, Antonio Hidalgo, Javier Korta, Jesús Molina, Francisco Javier Pellegrini, Montserrat Pérez, Javier Plaza, Manuel Praena, Santiago Quirce, José Sanz