pauesia antennata mukerji (hymenoptera, braconidae) as the unique parasitoid of the giant brown peach aphid, pterochloroides persiace cholodkovsky (hemiptera, aphididae) is considered to be the most effective biological control agent of this pest. in this study, the assessment of selected biological parameters of p. antennata demonstrated that the longevity of mature parasitoid was 3.90 ± 0.22,...

background: health-care-associated infections are a major threat to the safety of patient care. control of such problem is a major criterion for hospital accreditation. this study was aimed to determine the developing use of chemical (class 6 products) and biological indicators in tabriz district hospitals since 1997 to 2011. methods: we conducted this time-trend interventional study with all o...