how to cite this article: schulz a, kohlschütter a. ncl disorders: frequent causes of childhood dementia. iran j child neurol. 2013 winter;7(1):1-8. abstract dementia in children or young adults is most frequently caused by neuronal ceroidlipofuscinoses (ncl), a group of incurable lysosomal storage disorders linked by the accumulation of a characteristic intracellular storage material and progr...

We describe and contrast two distinct problem areas for statistical causality: studying the likely effects of an intervention (effects causes) whether there is a causal link between observed exposure outcome in individual case (causes effects). For each these, we introduce compare various formal frameworks that have been proposed purpose, including decision-theoretic approach, structural equati...

background :reduction of neonatal mortality rate can improve health and newborn status of the society. this study was done to evaluate the prevalence and patternof causes for neonatal mortality in gorgan, north of iran. methods: this descriptive, cross-sectional study was carried out on all birth in the maternity dezyani hospital in gorgan, north of iran during 1 september 2008 -31 march 2011 ....

background because of occupational accidents, permanent disabilities and deaths occur and economic and workday losses emerge. objectives the purpose of the present study was to investigate the factors responsible for occupational accidents occurred in iran. patients and methods the current study analyzed 1464 occupational accidents recorded by the ministry of labor and social affairs’ offices i...