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  • 2000-2004  (4)
  • 1930-1934
  • 2004  (4)
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  • 2000-2004  (4)
  • 1930-1934
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  • 1
    ISSN: 1752-7325
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objectives: This paper evaluates the relation of tooth loss to incidence of coronary heart disease in two large cohort studies. Methods: Participants included 41,407 men and 58,974 women free of any cardiovascular diseases at baseline. We recorded 1,654 incident coronary heart disease events (562 fatal events) among men during 12 years of follow-up and 544 events (158 fatal events) among women during 6 years of follow-up. Results: After controlling for important cardiovascular risk factors, compared to men with 25–32 teeth at baseline, men with 0–10 teeth had a significantly higher risk of coronary heart disease (relative risk [RR]/1.36; 95 percent confidence interval [CI]/1.11, 1.67). The relative risk increased to 1.79 (95% CI/1.34, 2.40) when limited to fatal events. Women with 0–10 teeth were also at increased risk of coronary heart disease compared to women with 25–32 teeth (RR/1.64; 95% CI/1.31, 2.05). The association was similar for fatal events (RR/1.65; 95% CI=1.11, 2.46). The association between number of teeth and incidence of coronary heart disease was similar between men with and without a history of periodontal disease, and there was no significant association between tooth loss during follow-up and coronary heart disease. Conclusions: This study showed a significant association between number of teeth at baseline and risk of coronary heart disease and the mechanisms to explain this association should be further clarified. [J Public Health Dent 2004;64(4):209–15]
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Large predators should have difficulty catching small prey because small animals demonstrate greater maneuverability and agility compared to large animals. The ability of a predator to capture small prey indicates locomotor strategies to compensate for inequities in maneuverability. Bottlenose dolphins (Tursiops truncatus) in Sarasota Bay, Florida feed on fish at least one order of magnitude smaller than themselves. To examine the locomotor strategies involved in prey capture, the foraging movements of these dolphins were videotaped from overhead using a remotely-controlled camera suspended from a helium-filled aerostat, which was tethered to an observation vessel. Dolphins were observed to rapidly maneuver during chases of fish in open water or around patches of rooted vegetation. Video analysis of the chase sequences indicated that the dolphins could move the rostrum through small radius turns with a mean value of 0.20 body lengths and with a minimum value of 0.08 body lengths. Mean rate of turn was 561.6°/sec with a maximum rate measured at 1,372.0°/sec. High turning rates with small turning radii were primarily the result of maneuvers in which the dolphin rolled 90° and rapidly flexed its body ventrally. The ability of dolphins to change body orientation in multiple rotational axes provides a mechanism to reduce turning radius and increase turning rate to catch small, elusive prey.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    Journal of manufacturing technology management 15 (2004), S. 651-661 
    ISSN: 1741-038X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Technology , Economics
    Notes: Despite its widespread acceptance, little practical application of the Hayes and Wheelwright four-stage model is reported in the literature. This paper formulates a questionnaire to classify manufacturing companies under the Hayes and Wheelwright four-stage model and assesses the reliability of the instrument. In an application of the questionnaire to three small manufacturing companies, the paper finds that half of the questions asked are statistically reliable according to the Interclass Correlation method. An in-depth cross-case study of the three organisations reveals patterns of management which further support the statistically reliable questions. The overall conclusion is that further research on questionnaires as instruments for exploring the four-stage concept is necessary before a reliable method is available.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    International journal of social economics 31 (2004), S. 30-55 
    ISSN: 0306-8293
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Using a case study approach, this article presents findings on a small plastic manufacturing firm and entrepreneur in Nigeria. The study identifies performance factors of a firm that has received hardly any external support and, as a result, the entrepreneur had to independently sustain his firm through creative abilities. Findings from the study revealed that there are external and internal constraints such as lack of financial capital, inadequate infrastructure facilities, competition from large firms, unfavorable government policies, dearth of machines and spare parts and paucity of raw materials. Internal obstacles like incompetent planning, poor organizational skills and limited knowledge were also obstacles. Funding assistance is biased on the basis of favoritism and not on developmental goals being achieved. This particular case is an example of a potential avant-garde entrepreneur whos talent should not be neglected.
    Type of Medium: Electronic Resource
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