title: [Etiology of primary spontaneous pneumothorax].
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D011030:Pneumothorax / Q000209:etiology*; D012141:Respiratory Tract Infections / Q000150:complications; D014777:Virus Diseases / Q000150:complications; D000515:alpha 1-Antitrypsin / Q000097:blood
chemical_list: D000515:alpha 1-Antitrypsin
vernacular_title: Primaarisen spontaanin ilmarinnan etiologia.