Changing the Paradigm for Management of Pediatric Primary Spontaneous Pneumothorax: A Simple Aspiration Test Predicts Need for Operation. - Leys CM; Hirschl RB; Kohler JE; Cherney-Stafford L; Marka N; Fallat ME; Gadepalli SK; Fraser JD; Grabowski J; Burns RC; Downard CD; Foley DS; et al. (Journal of pediatric surgery, 2020)