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Answer 1

  1. False. By definition primary spontaneous pneumothoraces occur in patients without clinically apparent underlying lung disease, and are thought to occur secondary to rupture of pleurally based blebs.

  2. True, with a male to female ratio of approximately 6 to 1.1 2

  3. False. A 2007 Cochrane review of the subject concluded that the best evidence suggests there is no …

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