“International ERS/ATS guidelines on definition, evaluation and treatment of severe asthma.” Kian Fan Chung, Sally E. Wenzel, Jan L. Brozek,<i>et al. Eur Respir J</i>2014; 43: 343–373.

Chung, Kian Fan, Wenzel, Sally E, Brozek, Jan L, Bush, Andrew, Castro, Mario, Sterk, Peter J, Adcock, Ian M, Batema, Eric D, Adcock, Ian M, Bateman, Eric D, Bel, Elisabeth H, Bleecker, Eugene R, Boulet, Louis-Philippe, Brightling, Christopher, Chanez, Pascal, Dahlen, Sven-Erik, Djukanovic, Ratko, Frey, Urs, Gaga, Mina, Gibson, Peter, Hamid, Qutayba, Jajour, Nizar N, Mauad, Thais, Sorkness, Ronald L, Teague, W Gerald