abstract consistent decreasing and increasing of temperature in the short-term period that is called freezing and thaw cycles is one of the important factors of damage to crop productions. in this research as to determine freezing and thaw cycles in the khorasan razavi province, the data of daily minimum and maximum temperatures of 9 synoptic stations was used over 20 statistic years (1989-2008...

This case-control study evaluated the factors influencing volunteering in the Islamic Republic of Iran's Women's Health Volunteer (WHV) programme, which is implemented in 150 centres in Khorasan-e-Razavi Province. We recruited 145 cases (volunteers) and 146 controls (non-volunteers) from the centres. Data were collected by questionnaire. Sociodemographic variables included were: length of resid...

BACKGROUND Echinococcus multilocularis is the source of alveolar echinococcosis, a potentially fatal zoonotic disease. This investigation assessed the presence of E. multilocularis infection in definitive hosts in the Chenaran region of Razavi Khorasan Province, northeastern Iran. METHODOLOGY/PRINCIPAL FINDINGS Fecal samples from 77 domestic and stray dogs and 14 wild carnivores were examined...

Sina Ebrahimi, Alireza Ghoreifi, Behnam Shakiba, Arash Azaripour, Hamid Deldadeh, Amir Reza Elahian, Mazaher Hadi, Parvin Emadi, Hamed Rajaee, Mehdi Dehghani, Lily Nosraty. Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Urology Department, Mashhad University of Medical Sciences, Mashhad, Iran; Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, I...

background: pediculosis (head lice) is considered as one of the most common health problems of the students in primary schools. the purpose of this study was to survey the prevalence rate of the infesta­tion in the schools of gonabad city (south of khorasan-e-razavi province) to prevent its out­break by on-time planning. methods: in this retrospective-descriptive study, data were collected from...

A growing trend within the literature on value creation is the introduction of private-collective knowledge communities, which create opportunities for organizations to leverage knowledge. In these communities, participants privately invest in a project’s success by freely revealing and contributing their personal resources such as expertise and time to a public good. Firms then use these publi...

Maedi-Visna (MV) virus and caprine arthritis encephalitis (CAE) virus known as small ruminant lentiviruses (SRLVs) cause chronic diseases in susceptible animals. The main reservoirs of these viral agents are sheep and goat. In sheep, MV virus causes a disease as the same name of the virus. This is the first seroprevalence survey of SRLVs in sheep population of Khorasan-e-Razavi province in Iran...