The duration of protection after hepatitis B vaccination in children is unknown. We determined the serum level of antibody to hepatitis B surface antigen (anti-HBsAg) in 273 randomly selected 7-9-year-old schoolchildren from Zanjan City, Islamic Republic of Iran, who had been fully vaccinated against hepatitis B starting at birth. Titres < or = 10 mlU/mL were considered unprotective. Just over ...

persian gazelle (gazelle subgutturosa) is one of the most important species in the world with its wide distribution in iran the greatest number of this species in iran is associated with the gazelles in sohrain plain in sorkhabad protected region in zanjan province. considering the significance of this species in the region and the fact that no genetic studies have been conducted to determine t...

Failure mode and effects analysis (FMEA) is a method based on teamwork to identify potential failures and problems in a system, design, process and service in order to remove them. The important part of this method is determining the risk priorities of failure modes using the risk priority number (RPN). However, this traditional RPN method has several shortcomings. Therefore, in this paper we p...

quality of life of mothers of children with special needs: a qualitative study    yaghmaei f [1] *, sahar m [2]     received: 29 sep , 2013 accepted: 16 nov , 2013   abstract:   background & aims: quality of life (qol) is important in today&apos;s society. by qol, the people’s experience of life could be measured. quality of life of mothers with children with special needs is the focus of this ...

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the effect of expiratory rib – cage compression before endotracheal suctioning on blood pressure in patients under mechanical ventilation    shrvani y [1] *, piami bosary m [2] , agha hasan kashani s3, mosavi nasab n4, ghafouri fard m5     received: 21 apr , 2013 accepted: 12 jul , 2013   abstract   background & aims : in patients undergoing mechanical ventilation because of an endotracheal tub...