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Francisella tularensis is a gram-negative facultative intracellular bacterium that resists harsh environments. Several outbreaks of tularemia are linked to the consumption and contact with spring water. The number F. in some waters high, while others, this does not survive. Except organic compounds, metals could be important for survival Some strains showed association amoeba, which may act as ...

In an age when the study of the psychology of the child has received in Europe and America an impetus to which few subjects have ever been submitted, it was inevitable that something of high pressure salesmanship should have crept into many of the preparations offered. The child by some is represented as a battery of high voltage continuously emitting charges often of dangerous strength, and be...