"Quick-acting heart-saving pills" and "nitroglycerin", who can save lives urgently? Eating wrong will hurt the body more, and the main ingredient of the quick-acting heart-saving pill is nitroglycerin? Second, quick-acting heart-saving pills and nitroglycerin, the two are very different, three, nitroglycerin has the correct way to take four, nitroglycerin is good, these people are not recommended to take

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