title: [Seven hundred and twenty-seven cases of acute pulmonary embolism and seasonal variation].
authors.affiliation: Department of Emergency, Peking University Third Hospital, Beijing, China.
authors.forename: Qing-bian
authors.initials: QB
authors.lastname: Ma
authors.forename: Ya-an
authors.initials: YA
authors.lastname: Zheng
authors.forename: Jing-xuan
authors.initials: JX
authors.lastname: Guo
authors.forename: Wan-zhen
authors.initials: WZ
authors.lastname: Yao
authors.forename: Shu
authors.initials: S
authors.lastname: Li
authors.forename: Yang
authors.initials: Y
authors.lastname: Wang
authors.forename: Xiu-li
authors.initials: XL
authors.lastname: Dong
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000209:etiology*; D012189:Retrospective Studies; D012621:Seasons; D055815:Young Adult