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  • 1
    Electronic Resource
    Electronic Resource
    Effective time to satisfactory intubation conditions after administration of rocuronium in adultsComparison of propofol and thiopentone for rapid sequence induction of anaesthesia (1999)
    Oxford : Blackwell Science Ltd
    Anaesthesia 54 (1999), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We determined the effective time to satisfactory intubation conditions after the administration of rocuronium 0.6 mgkg−1 to 120 unpremedicated adult patients anaesthetised with propofol 2.5 mgkg−1 or thiopentone 5 mgkg−1. Intubation conditions were assessed in 10 subgroups of 12 patients at 30, 40, 50, 60 and 70 s. The effective times to satisfactory intubation conditions in 50 and 90% of patients were obtained by the method of maximum likelihood after log time–probit response transformations. Intubation conditions after induction of anaesthesia with propofol were satisfactory in 5/12 patients at 30 s, 7/12 at 40 s, 10/12 at 50 s, 11/12 at 60 s and 11/12 at 70 s compared with 1/12 patients at 30 s, 2/12 at 40 s, 5/12 at 50 s, 7/12 at 60 s and 8/12 at 70 s after induction with thiopentone. The effective times to satisfactory intubation conditions in 50% and 90% (95% confidence intervals) of patients after rocuronium 0.6 mgkg−1 were 34 (26–40) s and 61 (50–81) s in patients given propofol compared with 57 (48–69) s and 101 (79–167) s in patients given thiopentone. We conclude that rocuronium 0.6 mgkg−1 may be a suitable alternative to suxamethonium during rapid sequence induction of anaesthesia with propofol in situations where suxamethonium is contraindicated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.1999.00655.x
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  • 2
    Electronic Resource
    Electronic Resource
    The parasites of Anolis lizards in the northern Lesser Antilles (1992)
    Springer
    Oecologia 91 (1992), S. 110-117 
    Details
    ISSN: 1432-1939
    Keywords: Anolis ; Lizards ; Parasites ; Islands
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The helminth communities from ten species of lizard on seven islands in the Caribbean were sampled by collecting one hundred specimens of each species. Nine genera of parasites were identified; these included six nematodes, two digeneans and an acanthocephalan. No relationship was discernible between parasite density or abundance and island area or altitude, although dry islands tend to have fewer species of parasites. Anolis lizards of the bimaculatus and wattsi series share similar parasites with four out of nine species common to both series. The parasite community of lizards on these islands is depauperate with respect to similar surveys on the larger islands of the Greater Antilles. On three of the islands lizards were sub-sampled by collecting from moist woodland and more xeric habitats. These data suggest that differences between habitats are as significant as differences between islands in determining parasite burdens. Worm burdens of the commonest parasite species, T. cubensis, increased monotonically with host body size and no evidence was found to suggest that these parasites affect either host survival or fecundity. The sex-ratio of this species correlated with mean abundance of the parasite, with females the dominant sex on islands or in habitats where the parasite was common. This pattern may reflect haplodiploid sexual determination in this species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00317248
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  • 3
    Electronic Resource
    Electronic Resource
    The parasites of Anolis lizards the northern Lesser Antilles (1992)
    Springer
    Oecologia 91 (1992), S. 118-125 
    Details
    ISSN: 1432-1939
    Keywords: Anolis ; Lizards ; Parasites ; Islands
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The communities of parasitic helminths from ten species of lizards on seven islands in the Caribbean were examined to ascertain the relative importance of predictable deterministic factors and unpredicatable colonization or extinction events in determining the structure of the parasite community. A simple graphical model of community structure is used as a “null model” to describe the features of a community that are dependent only upon the size of the host population and features of the life histories of the constituent parasite species. This model predicts that parasite species will exhibit a nested pattern of local and global relative abundance. The observed data correspond fairly well to this pattern. The absences of individual parasite species from communities where they might be expected to be present emphasizes the role of stochastic colonization and extinction events in delineating the constituent members of the community on any island. Statistical analysis of the distribution of parasite species per host illustrates that this pattern is random in habitats where parasite species diversity is low, but decreasingly variable in habitats where more diverse parasite communities occur. Increased parasite diversity also leads to an increase in the proportion of hosts that contain mixed species infections. Comparisons of worm burdens from single and mixed species infections within individual hosts suggest that interactions between parasite species only rarely leads to reduced worm burdens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00317249
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  • 4
    Electronic Resource
    Electronic Resource
    It's time to work together and stop duplicating conservation efforts … (2000)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 405 (2000), S. 393-393 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir Myers et al., in their new analysis of global biodiversity hotspots, recommend areas where conservation actions should be focused to minimize losses in the imminent extinction crisis. We strongly support initiatives to produce clear, efficient and practical goals for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35013247
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