The treatment of patients with Helicobacter pylori infection has many limitations, especially because antibiotic resistance. We aimed to investigate the prevalence and mechanism resistance metronidazole clarithromycin in H. isolates collected from gastrointestinal symptoms Qazvin, Iran. In this cross-sectional study, susceptibility testing was performed among 80 clinical strains isolated pylori...

* Correspondence: [email protected] Department of Mathematics, Faculty of Science, Imam Khomeini International University, P.O. Box 34149-16818, Qazvin, Iran Full list of author information is available at the end of the article Abstract In this paper, an iterative sequence for relatively nonexpansive multi-valued mappings by using the notion of generalized projection is introduced, and th...

in order to investigate biodiversity and production of cultivated medicinal plants in agroecosystems of qazvin province, a study was conducted during year of 2011. interviews were carried out with farmers by using semi-structured questionnaire to obtain information regarding to biodiversity and medicinal plants production systems in main regions under cultivation of medicinal plants including f...

Aggressive periodontitis, characterized by a rapid rate of periodontal disease progression in the absence of large quantity of bacterial plaque and or calculus present, affects otherwise healthy individuals less than 30 years old. The purpose of this study was to determine the prevalence of aggressive periodontitis among high school students in Qazvin, Iran. 780 students attending high school i...

Background: Methicillin-resistant Staphylococcus aureus (MRSA) is resistant to most antibiotics and is an important pathogen of nosocomial infections. Colonization with MRSA is no longer limited to hospitalized patients or persons with predisposing risk factors and at present there are several strains of community-acquired MRSA (CA-MRSA). Objectives: The aim of this study was to determine the p...

Email: [email protected] Abstract Objective Sleep disorders are common in children; they also have a significant impact on the whole family, the parents in particular. Few studies in this field have been performed in Iran; hence the present study was carried out in order to determine sleep patterns and the prevalence of sleep disorders in school aged children in Qazvin. Material and M...