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Analysis on the ratio of emergency department visits by elderly and non-elderly patients based on disease and particulate matter concentration in South Korea: a multicenter cross-sectional observational study
Geon Hee Han, Suyeon Park, Youngjoo Lee, Hye Young Jang, Young Shin Cho, Heajin Chung, Sang-Il Kim, Beom Sok Seo, Young Wha Sohn, Joonbum Park
Journal of The Korean Society of Emergency Medicine. 2021;32(6):698-711. Published online December 31, 2021
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