title: Spontaneous pneumothorax: a ten-year study.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011030:Pneumothorax / Q000453:epidemiology*; D044469:Racial Groups; D014481:United States