Published in Drug Law Weekly, September 20th, 2005
St. Jude Medical has received FDA conditional approval to study the potential connection between patent foramen ovale (PFO) closure and migraine headaches. A PFO is a structural defect of the heart where a small hole between the right and left atria (upper chambers of the heart) fails to close in infancy. An estimated 25% of the adult population has a PFO but in most people it is...
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