LIBROS DEL AUTOR: george hscherr

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  • Why Millions Died
    George H. Scherr / George HScherr
    This book reviews the slow development of research by isolated investigators who believed that diseases could be caused by infectious organisms. Millions of deaths occurred until the professional communities and general public began to believe that certain health measures could protect against infection and reduce enormous death tolls from disease. ...
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    51,89 €