1. Dr. Nourani showing his staff different oesophagoscopes for carrying out biopsies on patients Subject(s): Equipment and SuppliesOperating RoomsNursesPhysiciansIranWorld Health Organization
2. Open heart operation Subject(s): Surgical InstrumentsOperating RoomsEquipment and SuppliesWorld Health Organization
3. An artificial heart Subject(s): Operating RoomsHealth PersonnelEquipment and SuppliesWorld Health Organization