background and aims: helicobacter pylori is the primary cause of various diseases. this study was conducted to determine the existence of h. pylori in springs and surface water in chaharmahal and bakhtiari province. methods: in this study, 29 water samples were collected from three different locations of zayanderud river, 24 springs, and two subterranean from june 2014 to august 2014 in chaharm...

Background and aims: Brucellosis is one of the most important common diseases among man and livestock which are considered as the major problem in the health of the humans and livestock. The Importance of this disease isn’t limited to its physical problems and consequences, but it is considered as a major challenge of economic development in most countries. The aim of this stud...

Background and aims: Helicobacter pylori is the primary cause of various diseases. This study was conducted to determine the existence of H. pylori in springs and surface water in Chaharmahal and Bakhtiari province. Methods: In this study, 29 water samples were collected from three different locations of Zayanderud River, 24 springs, and...

Title of dissertation: PRODUCTIVITY DISPERSION, PLANT SIZE, AND MARKET STRUCTURE Sasan Bakhtiari, Doctor of Philosophy, 2008 Dissertation directed by: Professor John Haltiwanger Department of Economics Ample evidence from micro data suggests that productivity at establishment level is dominated by idiosyncratic factors. The productivity differences across establishments are very large and persi...