title: Why does asthma attack severely at night?
authors.affiliation: Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
authors.forename: Junhong
authors.initials: J
authors.lastname: Zhang
authors.forename: Xiaohong
authors.initials: X
authors.lastname: Liu
mesh_terms: D001249:Asthma / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D016709:Yin-Yang