Research Article
Clinical Efficacy of a Combined Topical Gel of Diltiazem, Papaverine, and Lidocaine on Pain, Spasm, and Hand Function in Patients Undergoing Trans-Radial Coronary Catheterization
Amir Akbari Molkabadi 1 
, Kiarash Fekri 2,3 * , Hamid Sharif-Nia 4,5 , Shahram Emami 6 , Hossein Dabbaghian 7, Roghieh Nazari 4 *