Sweileh, W. M.; Al-Jabi, S. W.; Zyoud, S. H.; Sawalha, A. F. Outdoor Air Pollution and Respiratory Health: A Bibliometric Analysis of Publications in Peer-Reviewed Journals (1900 – 2017). Multidiscip Respir Med 2019, 13 (1). https://doi.org/10.4081/mrm.2018.146.