the colicine types, biotypes and resistance pattern to antibacterial drugs of 154 strains of shigella sonnei isolated in two different geographical areas of iran, are presented. while a difference in the predominant biotype was observed in the two areas, the resistance pattern and the colicine types were found to be almost identical.

the objective of this study was to evaluate the morphometric and reproductive traits of indigenous dairy goat types. it was conducted in three districts (ebnat, gonji-kolela and farta) based on the agro-ecological differences, goat population potentials and experience of the farmers using goat milk. semi-structured questionnaires, field observations, morphological and reproductive trait measure...

anxiety is an unpleasant state of inner turmoil. anxiety is a feeling of fear, worry and uneasiness, usually generalized and unfocused as an overreaction to a situation that is only subjectively seen as menacing. the trait of extroversion-introversion is a central dimension of human personality theories. extraversion and introversion are typically viewed as a single continuum. thus, to be high ...

background human rotavirus is a significant cause of severe gastroenteritis in infants and young children worldwide. in recent years, rotavirus genotyping by rt-pcr has provided valuable information about the diversity of rotaviruses circulating worldwide. the purpose of the present study is to monitor the prevalence of the different g types of rotaviruses circulating in shiraz, southern iran a...