We demonstrate that deregulation in the form of vertical separation of network components into natural monopoly and potentially competitive markets does not truly represent a lessening of regulatory burdens. That is, vertical separation is not synonymous with deregulation; “more competitors” is not equivalent to “more competition”. We assume a public interest regulator that is constrained to se...

This paper extends the political agency approach to an environment in which voting may be divided between informed and instrumental, informed and ‘expressive’ and uninformed due to ‘rational irrationality’. It constructs a model where politicians may be good, bad or populist. Initially the existence of only good and populist politicians is assumed and the incentives for good politicians to pool...

Oral malodor, also known as halitosis or bad breath, is a common problem worldwide and is associated with social embarrassment, anxiety and psychological depression [1]. Therefore, oral malodor has a negative impact on quality of life. Oral malodor is reported to be the third most frequent reason for people to seek dental care, behind dental caries and periodontal diseases [2]. The prevalence o...

o bjectives: gastric infection with helicobacter pylori may be one of the main causes of halitosis. this study was performed to evaluate the relationship of heli- cobacter pylori infection with halitosis. materials and methods : this case control study was performed on 44 dyspeptic patients with a mean age of 34.29±13.71 years (range 17 to 76 years). the case group included 22 patients with hal...

background: helicobacter pylori infection is the most common gastrointestinal bacterial disease worldwide. although using culture is considered as the golden standard method for diagnosis of h. pylori infection, urea breath test is a notable alternative method because it is an easy, quick, and non-invasive approach. the aim of this study was to estimate the prevalence of h. pylori infection in ...

to determine breath- holding spells (bhs) prevalence and risk factors in under 6- year- old children, we interviewed mothers of 400 children in a cross- sectional study in 5 health centers at south of tehran in autumn 1999. 33 children (8.25%) had history of bhs (male: 19, female: 14 25 cases were between 2-4 years old (mean: 40±17 months). seventy percent of cases (23) had onset of attacks aft...

objective: childhood infectious diseases are one of the most known environmental pathogenic causes of childhood asthma. the high prevalence of both helicobacter pylori infection and asthma in our country prompted us to assess anyprobable as- sociation between them in childhood. methods: this cross-sectional study recruited 196 children aged 6 to 12 years old comprising 98 asthmatic (case group)...

how to cite this article: abbaskhanian a, ehteshami s, sajjadi s, rezai ms. effects of piracetam on pediatric breath holding spells: a randomized double blind controlled trial. iran j child neurol autumn 2012; 6(4): 9-15.   abstarct: objective breath holding spells (bhs) are common paroxysmal non-epileptic eventsin the pediatric population which are very stressfull despite their harmlessnature....

background: to compare the efficacy of metronidazole versus placebo in the control of gaseous symptoms inpatients with functional bowel disease. materials and methods: in the absence of organic or systemic diseases, all cases with chief complaints of bloating and normal laboratory tests were consecutively enrolled in this double-blind study. lactase deficiency and bacterial overgrowth were rule...

objective: himalayan mountain populations have been dependent upon indigenous plant resources for their health care for many years. tribal women are interested in use of local herbs for cosmetic purposes. the present work is based on the results of research conducted on cosmetic uses of some important plants by the tribal women in district poonch, azad kashmir pakistan. materials and methods: a...