Impact of the COVID-19 pandemic on asthma exacerbations in children: A multi-center survey using an administrative database in Japan Published on 2021-10-012022-10-05 Journal: Allergology international : official journal of th [키워드] Asthma COVID-19 pandemic database Impact Japan [저자] Seiko Bun, Kenji Kishimoto, Jung-Ho Shin, Takanobu Maekawa, Daisuke Takada, Tetsuji Morishita, Susumu Kunisawa, Yuichi Imanaka [Category] SARS, 임상, PMC URL [DOI] 10.1016/j.alit.2021.06.001 [Article Type] Observational Study [Source] PMC All Keywords 【제목키워드】 Asthma, COVID-19 pandemic, database, Impact, Japan,