BACKGROUND The purpose of this study was to determine the characteristics of childhood suicidal deaths among elementary school students that occurred from 2011 to 2015 in Korea. METHODS The report form of each suicide case by the teacher in charge to the Education Ministry was reviewed retrospectively. RESULTS There were 19 suicidal deaths (12 boys, 7 girls) in elementary school students. T...

Liouville proved that certain integrals, most famously ∫ e−x 2 dx, cannot be expressed in elementary terms. We explain how to give precise meaning to the notion of integration “in elementary terms”, and we formulate Liouville’s theorem that characterizes the possible form of elementary antiderivatives. Using this theorem, we deduce a practical criterion for proving such impossibility results in...

Objective: Examine whether requiring children to place fruits and vegetables on their lunch trays increases consumption of these items. Design: Observational study that exploits naturally occurring variation between two school districts and a pre-post observational study at schools that changed their lunch policy mid-year. Setting: 15 elementary schools from two school districts, one requiring ...

1. Read?Letter dated Kolhapur, 21st August, 1917, from Sub-Assistant Surgeon Raghunath Vaman Bapat, stating that an Ayurvedic medical school has been started in Kolhapur; that the promoters of the same desire to impart elementary knowledge of western medicine to tlieir students, and have asked men practising western medicine whether they would undertake to coach their students in the elementary...

In the context of observations that students lack mastery of elementary reading comprehension in Malayalam even by the end of 5-7 years of formal schooling, this study applies multiple regression analysis for reading comprehension. Longitudinal survey data from a representative sample of 159 lower primary students from grade 2 to 4 revealed Reading Comprehension as significantly and positively ...

Students attending schools play an important role in the transmission of influenza. In this study, we present a social network analysis of contacts among 1,828 students in eight different schools in urban and suburban areas in and near Pittsburgh, Pennsylvania, United States of America, including elementary, elementary-middle, middle, and high schools. We collected social contact information of...

Discrepancies in the terminology of elementary lesions persist when texts from Dermatology and Semiology books are compared, which can cause some confusion in both the teaching of undergraduate medical students and the learning acquired by professionals in the field. This review aims to compare and clarify the differences in the description of elementary lesions by many authors, used as referen...