Many things....: The length of time speaks against infection, but asthma, reflux, weight, heart issues, pulmonary hypertension, lupus, etc etc are all possible.
Answered 12/13/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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