May ERJ online now!

The May issue of the ERJ is online now. The issue features Editor's Choice articles on: blood eosinophil count as a means of identifying inflammation in COPD; serum periostin levels as a marker of type 2 inflammation in adult symptomatic airway disease; and successful management of latent TB infection through systematic monitoring and evaluation. Visit erj.ersjournals.com - ERS members have free online access to all articles.