D freshwater ecosystems

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  • Over the past 25 years the discipline of ecotoxicology has undergone two major developments. Firstly, new assays have been developed, deploying organisms that bear added relevance to the specific environment under investigation. Several new procedures assess the effects on organisms after exposure to environmental samples rather than to spiked water or sediment samples.

    pdf274p crazy_sms 10-05-2012 28 7   Download

  • Over the last decade, advances in tools and technologies—sensor systems, analytic methods, molecular technologies, computational tools, and bioinformatics—have provided opportunities for improving the collection of exposure-science information leading to the potential for better human health and ecosystem protection. Recognizing the need for a prospective examination of exposure science, the U.S.

    pdf157p taurus23 27-09-2012 26 5   Download

  • Urinary incontinence and pelvic prolapse have affected the quality of many lives over the years. Only recently, however, has increased attention to these areas led to a better understanding of the epidemiology, pathophysiology, and newer approaches to treatment, both from the pharmacological and device standpoint. This text is a step forward in bringing these new innovations together in a comprehensive and well-organized manner.

    pdf529p xunu1311 03-11-2012 40 3   Download

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