Title: Comparison between sirolimus-coated and noncoated stent implantation in human coronary arteries Fausto Feres, Marco A. Costa, Alexandre Abizaid, Andrea S. Abizaid, Ibraim M. F. Pinto, Ana C. Seixas, Rodolfo Staico, Luiz A. P. Mattos, Aurea Chaves, Marinella Centemero, Luiz F. L. Tanajura, Robert Falotico, Judith Jaeger, Amanda G. M. R. Sousa, J. Eduardo M. R. Sousa. Institute Dante Pazzanese of Cardiology, S�o Paulo, Brazil