Educational impact of early COVID-19 operating room restrictions on neurosurgery resident training in the United States: A multicenter study oleh Justin K. Zhang, Armando del Valle, Sven Ivankovic, Niel Patel, Georgios Alexopoulos, Maheen Khan, Sulaman Durrani, Mayur Patel, Najib El Tecle, Nanthiya Sujijantarat, Amanda V. Jenson, Samer G. Zammar, Kristin Huntoon, Carlos R. Goulart, Brandon M. Wilkinson, Sujit Bhimireddy, Gavin W. Britz, Michael DiLuna, Daniel M. Prevedello, Dzung H. Dinh, Tobias A. Mattei