Moscow city. All-Union Research Institute of Clinical and Experimental Surgery. April 1977 Meeting on the improvement of microtools. Present: Academician B. V. Petrovsky, V. S. Krylov, G. A. Stepanov. Surgery to restore and engraft a finger torn off in case of injury. V. S. Krylov and G. S. Stepanov are performing an operation. Doctors examine the operated patients.