title: [Spontaneous primary pneumomediastinum. Hamman's syndrome].
mesh_terms: D002648:Child; D003248:Constipation / Q000150:complications; D005260:Female; D006801:Humans; D008478:Mediastinal Emphysema / Q000209:etiology*
vernacular_title: Spontant-primaert- pneumomediastinum. Hamman's syndrom.