BibTex format
@inbook{Lenoir:2021:10.1016/B978-0-08-102723-3.00038-X,
author = {Lenoir, A and Quint, JK},
booktitle = {Encyclopedia of Respiratory Medicine, Second Edition},
doi = {10.1016/B978-0-08-102723-3.00038-X},
pages = {515--525},
title = {COPD Epidemiology},
url = {http://dx.doi.org/10.1016/B978-0-08-102723-3.00038-X},
year = {2021}
}