Although small populations are at high risk of extinction, there are regular reports in the scientific literature of purported small, isolated, persistent populations. One source of evidence of the viability of small populations comes from the alleged successful introduction of species to areas outside their original range from introductions of few individuals. We reviewed the examples from int...

background: the control of spread of hiv takes concerted efforts at both national and international levels. education is an important component of preventing the spread of hiv. this study aimed to assess the attitudes of parents, teachers and students towards informing children about hiv/aids, attitudes concerning 'proper' age to learn about hiv/aids, possible differences in attitudes relating ...

Background:   Facing an unfamiliar environment is always one of the biggest concerns for medical students who are going to have clinical educations in medical fields. Recently early clinical exposure (ECE) for medical students has been proposed as an effective factor in reducing stress and motivating toward the rest of their education as a clinical student. This study aimed at evaluation of E...