BACKGROUND This study aimed to compare the timing of puberty between various geographic locations and different ethnicities. METHODS This national survey was conducted in 20 provinces in Iran. Healthy Iranian girls were selected from public schools using cluster random sampling. A total number of 30 clusters including 7493 girls, aged 6.0-20 years, were selected. In order to compare different...

conclusions using -2.5 standard deviations as the cutoff for micropenis, a newborn infant in golestan province with a pl of < 23.3 mm had micropenis; however, more investigations are needed to clarify this issue. results means of pl and agd of 427 healthy term newborns were 32.1 ± 3.5 and 24.5 ± 2.5 mm, respectively. there was a positive correlation between pl and agd (r = 0.097, p = 0.046). ac...

Abstract Background and Aims:‎ Von Willebrand disease is a bleeding disorder caused by quantitative or functional defects in von Willebrand factor. The disease is found in up to 1 percent of the population. The most common symptom is mucocutaneous bleeding. Recently, studies conducted on healthy people showed that the H817Q mutation that previously known to cause von Willebrand...

objectives: it is essential for clinicians to have adequate knowledge about root canal configurations; although its morphology varies largely in different ethnicities and even in different individuals with the same ethnic background. the current study aims to review the root canal configurations of mesiobuccal roots of maxillary first molars in an iranian population based on different epidemiol...

Conclusions Differences in the pattern of alcohol use and related problems exist among various ethnicities Slavs and Arabs in Belarus. The Slavs had higher percentages of alcohol users, but relatively lower proportion of problem drinkers, compared to the results of the Arabs. Higher AUDIT scores were recorded for the Arabs. No significant differences were noted in the preference for alcoholic b...

We found from our analysis of the Genetic Analysis Workshop 17 data that the population structure of the 697 unrelated individuals was an important confounding factor for association studies, even if it was not explicitly considered when simulating the phenotypes. We uncovered structures beyond the reported ethnicities and found ample evidence of phenotype-population structure associations. The...