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As there is little published data on motorcyclists, an anthropometric survey of 140 UK motorcyclists was undertaken, together with a brief questionnaire survey covering demographic details and motorcycling experience. Additionally an investigation of knee position on a static motorcycle test rig was undertaken. Six body dimensions relevant to the design of(More)
SUMMARY windex is a package developed for the R statistical environment to provide novel tools for the analysis of convergent evolution. The recently described Wheatsheaf index provides quantitative measures of the strength of convergence and opens up new possibilities for exploring this evolutionary phenomenon. The windex package allows implementation of(More)
Norway rats (Rattus norvegicus) living in urban environments are a critical public health and economic problem, particularly in urban slums where residents are at a higher risk for rat borne diseases, yet convenient methods to quantitatively assess population sizes are lacking. We evaluated track plates as a method to determine rat distribution and relative(More)
The Norway or brown rat (Rattus norvegicus) is among the most ubiquitous of rodents. However, the lack of studies describing Norway rat populations from tropical areas have limited our understanding regarding their demography and seasonal dynamics. In this study, we describe seasonal pattern in the abundance, reproductive parameters, and morphometrics of(More)
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