Rescue Airway Techniques

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making childish comments about Daddy's car or such other nonsense. It also
shows little capacity to understand the whole reason for evidence based
health care. 


Paul,

I believe Simon is making the astute observation that study designs that are
retrospective and involve self selected unmatched patient populations have
inherent weaknesses and attempts to control for disease severity and other
things that affect health and health outcomes like Socio Economic indicators
might have been done.

Rob Smith, MD

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