introduction: helicobacter pylori infections occur in about 50% of the world population and have a main role in the creation of peptic ulcer and its related cancer. we sought to evaluate the effectiveness of two treatment regimens on the eradication of helicobacter pylori and its complications among peptic ulcer patients. materials and methods: by a clinical trial, patients with peptic ulcer sh...

 Between 5% and 10% of cancer patients develop malignant wounds. In vitro and some clinical studies suggest that silver- or honey-coated dressings may have an antibacterial effect in nonmalignant wounds, but their possible antibacterial effect in malignant wounds remains unknown. A prospective, randomized, single-blind controlled clinical study was conducted to evaluate the bact...

background & aims: mistyping either a donor or a recipient can lead to transfusion with abo incompatible blood which results in severe intravascular hemolysis and may even result in the death of the recipient. abo phenotype is one of the essential tests in immunohematology. eighty percent of blood group a and ab persons are subtype a1 and a1b, respectively. the other 20% of these blood groups a...

Trypsinized cell walls of Group B hemolytic streptococci are composed of a group-specific carbohydrate and mucopeptide. The carbohydrate extracted with hot formamide is composed of rhamnose, N-acetylglucosamine, and galactose. Quantitative precipitin inhibition studies have shown that L rhamose is the significant component of the antigenic determinant. The cross-reactivity between B and G carbo...