abstract. natural populations of carpinus orientalis mill. shrub lands occur mainly in high and middle altitudes of the hyrcanian forests, n. iran, particularly on steep rocks and forest outcrops. there are some discrepancies on the intra-specific delimitation of this important woody species. the aim of the current study was to examine the anatomical variation of stems and leaves of sixteen pop...

BACKGROUND Hepatitis C Virus (HCV) infection is one of the major blood-borne infections worldwide. HCV carriers may develop chronic hepatitis leading to liver cirrhosis and hepatocellular carcinoma (HCC). There is no overall estimate of the infection prevalence in the northeast of Iran. We have performed this research in order to determine accurately the prevalence and risk factors of HCV infec...

BACKGROUND This study was conducted to collect informative data on the parasitic infection of wild rodents, emphasizing on finding parasites, which have medical importance to human. METHODS During 2012-2014, a total number of 91 wild rodents were captured from rural areas of Turkmen Sahra, Golestan Province, using handmade traps. Animals were anesthetized, surveyed for any ectoparasite and th...

One of the fundamental social and economic characteristics of the southern countries is the lack of development of spatial planning system whose symptom is the irregular expansion of urban settlements. Due to the ecological traits and national policy-making manner, this expansion has caused the centralization of regional metropolises in these countries. In the geographical spaces of Iran, speci...

BACKGROUND Since establishing a safety culture in an organization is considered as the first step in patient safety improvement, there is always a need for updated field evaluation to better plan future decisions. METHODS We performed a cross-sectional, analytic-descriptive study in 25 hospitals related to Mashhad University of Medical Sciences (MUMS) during a 3-month period from April to Jun...

BACKGROUND Gastrointestinal stromal tumors (GIST) are the most common mesenchymal tumors of the gastrointestinal (GI) tract. They are usually C-kit positive and seen slightly more common in men. These tumors are seen in the GI tract from the esophagus to the anus with occasional invasion or metastasis. METHODS In this retrospective study, we evaluated the prevalence of c-kit positive stromal tu...

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members of the genus gongylonema  are nematodes that commonly infect ruminants, particularly sheep and goats. an 11-year-old donkey mare was referred to the veterinary teaching hospital, school of veterinary medicine, ferdowsi university of mashhad, mashhad, northeastern iran, with a history of acute colitis. at post-mortem examination, there were several white to pink zigzag tracks in the muco...