Pricing schemes for Internet services have turned out to be of crucial influence for the competitiveness of Internet Service Providers (ISP). Despite of this urgent demand, there is still no standard tariff scheme that solves the so-called “feasibility problem”, i.e. ensures simultaneously technical feasibility, economic efficiency and user acceptance. This paper investigates the reason for the...

Monson, R. R. (Harvard School of Public Health, Boston, Mass. 02115). Familial factors in peptic ulcer. I. The occurrence of ulcer in relatives. Amer. 1. Epid., 1970, 97: 453-459—The occurrence of peptic ulcer in relatives of physicians with a history of ulcer has been compared to that in relatives of physicians without ulcer. About twice as many duodenal ulcers as expected occurred in relative...

BACKGROUND The aetiology of non-ulcer dyspepsia and a possible connection to peptic ulcer disease is debated. This paper discusses this problem in a population based study. AIMS The relation between non-ulcer dyspepsia and peptic ulcer disease was explored by the distribution in the general population and their associations to demographic, lifestyle, and psychological factors. METHODS All i...

normal 0 false false false en-us x-none ar-sa background: prolonged fasting may precipitate or exacerbate gastrointestinal complaints. the aim of this study was to evaluate the relation between ramadan fasting and acute upper gastrointestinal bleeding (augib), and to assess characteristics of those occurred in the holly month. materials and methods: retrospective analysis was conducted for all ...

The aim of the study was to study the anti-ulcer activity of the methanolic extract of the leaves of Capparis zeylanica Linn on experimental animal models. The methanol extract of Capparis zeylanica Linn. leaves was investigated for anti-ulcer activity against aspirin plus pylorus ligation induced gastric ulcer in rats. HCl-Ethanol induced ulcer in mice and indomethacin induced ulcer in rats at...