De Maria GL, Testa L, de la Torre Hernandez JM, Terentes-Printzios D, et al. A multi-center, international, randomized, 2-year, parallel-group study to assess
the superiority of IVUS-guided PCI versus qualitative angio-guided PCI in
unprotected left main coronary artery (ULMCA) disease: Study protocol for OPTIMAL
trial. PLoS One 2022;17:e0260770.
PMID: 34995276