title: The comet tail artifact in the diagnosis of pneumothorax.
authors.forename: Stewart S
authors.initials: SS
authors.lastname: Chan
mesh_terms: D016477:Artifacts; D006801:Humans; D010994:Pleura / Q000000981:diagnostic imaging; D011030:Pneumothorax / Q000000981:diagnostic imaging*; D014463:Ultrasonography