George Cowie

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Direct measurement of dissolved gases and low molecular weight volatiles through permeable membranes (e.g. 50-microm-thick silicone rubber), provides an invaluable tool for the investigation of the activities of microorganisms in the laboratory and in their natural environments. Multiple molecular species are monitored at a single point. Fast response times(More)
AIM To retrospectively review notified human leptospirosis cases in the Waikato region of New Zealand between 2004 and 2010 and to identify risk factors for human leptospirosis infection. METHOD Waikato leptospirosis notification data for the period 1 January 2004 to 31 December 2010 were analysed to identify any trends in the rates and distribution of(More)
This article analyzes the extent to which different policy instruments explain toxic reductions among the states. Data from the Toxics Release Inventory (TRI) and other sources are used to assess the effect of various policy instruments, while holding economic factors constant. State TRI information programs, enforcement action, and direct regulation all(More)
AIM To retrospectively review notified human cryptosporidiosis cases in the Waikato region of New Zealand between 2004 and 2011 and to identify risk factors for human cryptosporidiosis infection. METHOD Waikato cryptosporidiosis notification data for the period 1 January 2004 to 31 December 2011 were analysed to identify any trends in the rates and(More)
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