M. Prospective relations between Helicobacter pylori infection, coronary heart disease, and stroke in middle aged men. Heart 1996;75:568-72.14 Ohmann C, Thon K, Hengels K-J, Imhof M, DÜSUK Study Group.
AbstractObjective: To examine the effect of water fluoridation, both artificial and natural, on dental decay, after socioeconomic deprivation was controlled for.
The relative benefits of the programmes supplying the two toothpastes considered in this study are different depending on the deprivation status of the participants. For the most-deprived groups postal provision of either a low- or high-fluoride toothpaste provides similar levels of benefit. In the less deprived groups only provision of the high-fluoride toothpaste provided a benefit. The absolute caries reduction seen for provision of the high-fluoride toothpaste was not related to the deprivation status and hence the programme did not reduce deprivation-related health inequalities. Targeting the programme using the methods employed in this study is unlikely to improve the effectiveness of the programme.
An assessment of genetic diversity within and between Saccharum, Old World Erianthus sect. Ripidium, and North American E.giganteus (S.giganteum) was conducted using Amplified Fragment Length Polymorphism (AFLP(TM)) markers. An automated gel scoring system (GelCompar(TM)) was successfully used to analyse the complex AFLP patterns obtained in sugarcane and its relatives. Similarity coefficient calculations and clustering revealed a genetic structure for Saccharum and Erianthus sect. Ripidium that was identical to the one previously obtained using other molecular marker types, showing the appropriateness of AFLP markers and the associated automated analysis in assessing genetic diversity in sugarcane. A genetic structure that correlated with cytotype (2n=30, 60, 90) was revealed within the North American species, E. giganteus (S.giganteum). Complex relationships among Saccharum, Erianthus sect. Ripidium, and North American E.giganteus were revealed and are discussed in the light of a similar study which involved RAPD markers.
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