International Journal of Pediatric Otorhinolaryngology, 75(2), 151-158. His studies of yellow fever and his work in otorhinolaryngology are of lasting relevance. It is used in addition to surgery mainly in otorhinolaryngology (ENT). Surgery with sub-specialties Orthopedics, Otorhinolaryngology, Anesthesia, Obstetrics and gynecology. He is a tenured Professor within the Department of Otorhinolaryngology&colon; Head and Neck Surgery. The CO laser is also used in gynecology, genitourinary, general surgery, otorhinolaryngology, orthopedic, and neurosurgery. He studied medicine at the University of Tanta and specialized in otorhinolaryngology. He earned his Master of Surgery in Otorhinolaryngology from the same college in 1983. The hospital provides psychiatry, neurosurgery, ophthalmology, otorhinolaryngology, ambulatory medicine (OPC), rehabilitation medicine, and emergency medicine.