background: sj?gren’s syndrome is an autoimmune syndrome involving the exocrine glands specially the salivary and lacrimal glands leading to xerostomia and xerophtalmia. this paper presents a case with primary sj?gren’s syndrome that severe dental caries were the first clinical manifestation. case presentation: a 42-year-old man was referred to the school of dentistry, tehran university of medi...

Erin E. Sullivan, PhD, research director, Harvard Medical School Center for Primary Care, and lecturer, Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts; Zara Ibrahim, researcher, Harvard Medical School Center for Primary Care; Andrew L. Ellner, MD, co-director, Center for Primary Care, Harvard Medical School, director, Program in Global Primary Car...

Introduction. It has long been established that school climate can influence the course and outcomes of education, but findings previous research are inconsistent as to which elements crucial for positive outcomes. This paper provides a more detailed insight into individual contribution dimensions determinants adaptive functioning students. Objective. The objective was consider patterns relatio...