'A stent is a tube often used to hold these open, especially the coronary ones'
arteries
DOCTORIN': A stent is a tube often used to hold these open, especially the coronary ones
A stent is a tube often used to hold these open, especially the coronary ones
A stent is a tube often used to hold these open, especially the coronary ones
DOCTORIN'
arteries
DOCTORIN'