although delivering of oxygen to patients seems to be easy, but this procedure can include some risks. in this article, we try to show you how this procedure can perform in a safe manner.   have you ever worked in a medical-surgical ward, or emergency department, or also in intensive care unit?   perhaps you ever have the care of patients who have need for supplemental oxygen. oxygen therapy is...

the purpose of this research was to study the role of non-governmental organization inpreserving of urban green areas in the city of tehran. this is a descriptive-correlationresearch method. population of this study was 120 active members of two non-governmentalorganizations in tehran. after distributing the questionnaires, 62 questionnaires werereturned. content and face validity of the instru...

In this article, we present the andragogical research project and evaluation of its results using nonparametric statistical methods and the semantic differential method. The presented research was realized in the years 2012-2013 in the dissertation of I. Žeravíková: Analysis of professional competencies of lecturer and creating his competence profile (Žeravíková 2013), and its purpose was based...