Quackery : its danger, and injustice; the causes of its success; the best means for its suppression : addressed to all classes.

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Quackery : its danger, and injustice; the causes of its success; the best means for its suppression : addressed to all classes. Credit: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.. Public Domain Mark