background: social issues have prominent effects on the peoples' physical and mental health and on the health risk factors. in iran, many organizations provide social care services to their target population. this study aimed to explore the roles and functions of primary health care (phc) system in providing social care services in iran.   methods: this was a qualitative study, for which data w...

Although virulence of Streptococcus pneumoniae is associated with its capsule, some pathogenic S. pneumoniae isolates lack capsules and are serologically nontypeable (NT). We obtained 64 isolates that were identified as NT "pneumococci" (i.e., bacteria satisfying the conventional definition but without the multilocus sequence typing [MLST]-based definition of S. pneumoniae) by the traditional c...

The present study intended to determine the priority areas for nature-based tourism in Isfahan province, Iran. Considering the components in question, this study was applied-developmental in nature and its methodology was descriptive-survey based on a systematic analysis of the potentials utilization, potential assessment and identification of priority areas and their combination. To carry out ...

Efficient and timely service discovery is a crucial feature for the usability of mobile ad-hoc networks. In recent years a number of service discovery protocols have been developed and they have different view points toward the mobile ad hoc environment. These different view points made them have different service discovery architectures. In this paper we classify the existing service discovery...

Traditional models have divided the increasingly popular domain of leadership into contrasting, either/or categories. The vast majority of examples from the leadership literature create dichotomies of leadership (e.g., Theory X vs. Theory Y; task vs. socioemotional; participative vs. autocratic; transactional vs. transformational). There has been little effort to combine the existing dichotomie...