BACKGROUND Clinical studies of shoulder dislocations typically include adult patients (>16 years of age). Only small case series of patients aged 10 to 16 years are available to guide management. PURPOSE Using a cohort of patients aged 10 to 16 years, this study sought to determine (1) the incidence density rate (IDR) of primary anterior shoulder dislocations requiring closed reduction (CR) a...

Marathon runners are ranked in 5-year age groups. However the extent to which 5-year groupings facilitates equitable competition has not been evaluated. The aim of this study was to evaluate the effect of relative age in male and female marathon running. Marathon finishing times for the top ten male (aged 20-69 years) and female athletes (aged 20-64 years) were obtained from the 2013 New York a...

Rainbow trout, oncorhynchus mykiss is one of the most important cold water fishes in Iran. For successful artificial propagation of rainbow trout, the quality and quantity of brooders and sexual materials are key factors. In the present study, we investigated the age-dependent changes of reproductive efficiency. For this purpose, the brooders were divided into age classes and then three age gro...

introduction the longevity is normally defined as the length of its productive life in the flock, which is the amount of time an animal spends producing (1). longevity reflects the ability of ewe to avoid being culled for low production, low fertility, illness and influences the number and cost of replacements required to maintain the flock size. the benefit of increasing longevity are increase...

a 42-year-old male with history of hcv, presented with cutaneous lesions which were initiated from 2 weeks ago. lesions presented with tenderness and red bulla in anterior aspect of left leg. the lesion gradually began to rupture and desquamation. patient had similar lesions during the last year. hyperpigmentation in old lesions was seen. porphyria cutanea tarda was suspected. diagnosis was con...

background: infertility is a health problem which affects about 10-20% of married couples. male factor infertility is involved approximately 50% of infertile couples. most of male infertility is regarding to deletions in the male-specific region of the y chromosome. objective: in this study, the occurrence of deletions in the azf region and association between infertility and paternal age were ...