Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 2)

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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 2)

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Introduction: Blood, urine and stomach contents (including gastric lavage fluid and vomitus) are usually used as specimens for analysis of drugs and poisons for living subjects. A blood concentration of a toxin can be an indicator for estimation of intoxication degree. Urine sometimes contains large amounts of metabolites and/or an unchanged form of a toxin; it contains low levels of proteins, which usually interfere with analysis, and thus is suitable for screening tests using immunoassays without tedious pretreatments. Stomach contents can be a useful specimen for identification of a toxin, only when the time after ingestion is short; it contains...

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