Hassan Sepehrmansourie was born in Hamedan, Iran in 1994. He received his B.Sc. in Applied Chemistry (2017) from Bu-Ali Sina University, Iran. He received his M.Sc.in Organic Chemistry (2019) under the supervision of Prof. Mohammad Ali Zolfigol. Also, He was also accepted for a Ph.D. in organic chemistry at the Bu-Ali Sina University in the same year. His research interest is t...

Losing hair can create emotions ranging from anger to depression. Some children feel very selfconscious going out in public, and others are concerned that their appearance will affect their relationship with classmates and even loved ones. In one study the children with alopecia were anxious, depressed, withdrawn, aggressive, or delinquent. Girls were more affected than boys[2]. In another stud...

Video call capabilities in 3G mobile handsets and higher data rate in HSPA networks are fuelling resurgence in video telephony. This enables the delivery of exciting video applications to subscribers. The addition of Interactive Voice and Video Response (IVVR) opens up a wide stream of interactive video applications. In this paper we present a comparative study on the encoding tools and the tec...

This paper summarizes data on 30 consecutive spinal tumors treated at King Khalid University Hospital (KKUH) between 1984-1991. The male:female ratio was 2.75:1. Thirty percent of cases were less than 20 years of age while 71% were more than 60 years of age. The brain to spinal cord tumor ratio in our unit was 12.3:1. The ratio of Schwannoma to meningioma was 1.6:1. Metastatic carcinoma account...

different symmetries play a role in understanding the meaning of a sentence. syntacticians have been aware of this issue and have used a variety of symmetries in their analyses. when the arabic syntax became familiar with the aristotelian logic and received some philosophical issues, most of the syntacticians focused upon the arabic symmetry and few attentions were directed towards other symmet...

From the Department of Neurosurgery, King Khalid University Hospital, King Saud University, Riyadh, Kingdom of Saudi Arabia. Published simultaneously with special permission from Saudi Medical Journal. Address correspondence and reprint request to: Dr. Sherif El-Watidy, Assistant Professor & Consultant Neurosurgeon, Division of Neurosurgery, Department of Surgery, King Khalid University Hospita...

Material and Method: We analyzed records of all patients who underwent FNAC and thyroid surgeries between July 2006 and June 2010 at King Khalid Hospital, King Saud University, Riyadh, Saudi Arabia. Each diagnosis derived from FNAC of thyroid nodule reported by the Bethesda system was matched with the final histopathology result. Specificity, sensitivity, positive and negative predictive value,...