Objective To understand the carriable condition and categories of enteric pathogenic Salmonella and Shigella in high school students in the disease prevalent seasons.
In the teaching of Probability in senior high school lie obvious inadequacies in students' comprehension of Probability definition for Frequency and Equiprobability models.
Cabezon C, Vigil P, Rojas I, Leiva ME, Riquelme R, Aranda W, Garcia C.Adolescent pregnancy prevention: An abstinence-centered randomized controlled intervention in a Chilean public high school.
The family had undergone great hardship to let him attend senior high school in county town, which meant a big fellow was consuming food without earning any workpoint.