background: the aim was to compare three different methods (direct examination, culture and pcr meth­ods) for the diagnosis of acanthamoeba keratitis (ak) in corneal scrapes. methods: twenty eight corneal scrapes and contact lenses were collected from keratitis patients and re­ferred to the de­partment of medical parasitology and mycology, school of public health, tehran univer­sity of medical ...

nowadays, countries realize that without having knowledge and technology, they may not export advantaged goods to the global market. generally, technology and knowledge accumulation play vital role for reaching high economic growth rate and economic development. the statistical reports show that iran has not been successful in the high-tech export area; base on those reports, iran’s high-tech e...

this study investigated the effects of two types of written feedback – direct corrective feedback (dcf) and metalinguistic explanation (me) - on iranian efl learners’ implicit and explicit knowledge of english definite and indefinite articles. assigned to three groups of dcf, me, and control groups, the participants took four tests in three testing phases: pretest, posttest, and delayed posttes...

Background Among all pediatric cancers acute lymphoblastic leukemia (ALL) is highly prevalent, butthe overall cost of ALL management is not well-known, there is a need to assess the Berlin-Frankfurt-Munster (BFM) protocol commonly used in ALL management in Iran. So, the aim of this study was to estimate direct and indirect costs of ALL treatment among children based on the ALL-BFM protocol from...

objective: self-harm was classified to show forms like non-suicidal self injury and indirect risky behaviors and drug abuse. the aims of this study were to compare suicidal tendencies indexes and difficulty in emotion regulation skills in mixed groups of adolescents with direct and indirect forms of self-harm. methods: in a casual-comparative design from population of delinquent adolescents det...