Jan de Vries shares the results of 30 years' successful treatment of stomach and bowel problems, showing the reader how to interpret the body's warning signals and setting out simple and effective remedies, diets and exercises.
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Jan de Vries shares the results of 30 years' successful treatment of stomach and bowel problems, showing the reader how to interpret the body's warning signals and setting out simple and effective remedies, diets and exercises.
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