Radial versus femoral access for coronary angiography and intervention in patients with acute coronary syndromes (RIVAL): a randomised, parallel group, multicentre trial.
Lancet. 2011 Apr 23;377(9775):1409-20. doi: 10.1016/S0140-6736(11)60404-2. Epub 2011 Apr 4.
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PMID: 21470671
Clinical Trial.