Affiliation: | 1. Consultant Oral and Maxillofacial Surgeon, KRL General Hospital Islamabad, Islamabad, Pakistan;2. Consultant Oral and Maxillofacial Surgeon, Hayyatabad Medical Complex, Peshawar, Pakistan;3. Resident Anesthesiology, KRL General Hospital Islamabad, Islamabad, Pakistan;4. Consultant Oral and Maxillofacial Surgeon, KRL General Hospital Islamabad, Islamabad, Pakistan |