| Acute and chronic otitis media treatment with microbe enzymes and proteinaze inhibitors (1987-1988) |
| New methods of treatment the patients with chronic otitis media(1989-1991) |
| Different types of middle ear and upper respiratory tract reconstructive surgical procedures (1993) |
| New surgical methods of treatment the patients with chronic otitis media (1992-1995) |
| Surgical methods of transplantation the artificial middle ear structures (1997-1998) |
| New type of Tympanoplasty with
homografts (1997-2000) |
| New transplantation methods in middle ear surgery (2000) |
| Surgical rehabilitation the patients with glomus tumors (1996-1998) |
| Surgical methods in treatment the patients with small acoustic neuroma tumors (1999-2000) |
| Extradural approaches in surgical treatment the patients with acoustic neuroma tumors (2001-2003) |
| Different forms of middle ear cholesteatoma and choice of surgical procedures (2001 - 2003) |
