%0 Journal Article %T Positive association between moderate altitude and chronic lower respiratory disease mortality in United States counties %A Jeongeun Hwang %A Joon Beom Seo %A Miso Jang %A Namkug Kim %A Seunghyun Choi %A Yeon-Mok Oh %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0200557 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6040762/