In the Rio Maria and Sapucaia Domains of Carajás Province, during Mesoarchean, tonalite-trondhjemite-granodiorite (TTG) series (2.98–2.92 Ga; Colorado Trondhjemite) sanukitoid rocks (?2.87 Suite Ourilândia do Norte) were formed. They followed, in Neoarchean (2.75–2.73 Ga), by numerous stocks granitoids similar to A-type granites (Vila Jussara Suite). Despite compositional differences between th...

BACKGROUND Psychiatric patients have an increased risk of some infections like toxoplasmosis. Investigations on Toxoplasma gondii infection among psychiatric patients have been limited in Mashhad, Northeast of Iran. In this case-control study, prevalence of T. gondii was investigated by serological method. METHODS This case-control study was performed among psychiatric patients admitted to Av...

BACKGROUND Hepatitis C virus (HCV) infection is a significant health problem throughout the world. Chronic form of the disease is found in about 75% to 85% of the newly infected individuals. The chronic infection may lead to severe forms including chronic liver disease, cirrhosis and with a higher mortality rate, hepatocellular carcinoma. Since no vaccine has yet been developed against HCV, the...

OBJECTIVE The aim of this study was to determine the prevalence of oral mucosal lesions in institutionalized elderly people in Mashhad, northeast of Iran. BACKGROUND This study was conducted to assess the prevalence of oral lesions in the institutionalized elderly. METHODS In this survey, we studied all of the nursing homes in Mashhad; a total of five encompassing 237 residents. The subject...

The Proterozoic eon is characterized by an unusual abundance of ferroan feldspathic rocks that range in composition from granite to quartz syenites to feldspathoid-bearing syenites. Three associations of ferroan rocks may be recognized on the basis of major element compositions: (1) metaluminous alkalic to alkali-calcic syenites and granites associated with anorthosites and iron-rich basaltic r...

BACKGROUND Donor recruitment and retention are significant problems in blood collection agencies around the world. The Aim of this study was to determine the causes of lack of interest to blood donation in eligible individu-als in Mashhad, Northeast of Iran. METHODS This was a descriptive study. Cases were 1130 non-donor individuals. Participants were selected from eligible individuals in dif...

1Department of Ophthalmology, Valiaser Hospital; 2Nursing College, Birjand Medical University, Birjand, Islamic Republic of Iran. 3Department of Ophthalmology, Mashhad University of Medical Science, Mashhad, Islamic Republic of Iran. Received: 09/05/03; accepted: 20/10/03 ABSTRACT To investigate the possible relationship between hyperhomocysteinaemia and retinal vascular occlusion, we measured ...

Myiasis is the invasion of vertebrates' tissue by the larvae of a fly of the order Diptera. The objective of this paper is to present a rare case of secondary myiasis of ocular infestation by Chrysomya bezziana. A 55-year-old female from Sar village of Mazandaran Province, northern Iran), referred to Khatam Al-Anbia Hospital of Mashhad with extensive destruction of left orbital cavity. Existenc...

1. Molecular Medicine Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran 2. Dental Research Center, Faculty of Dentistry, Tehran University of Medical Sciences, Tehran, Iran 3. Orthodontic Department, Dental Branch, Islamic Azad University, Tehran, Iran 4. Molecular Immunology Research Center, Tehran University of Medical Sciences, Tehran, Iran 5. Nature of Gene Mutat...