Cod liver oil : causes of its frequent inefficacy, and means of removing the same : with remarks upon the superiority of the light brown over the pale oil, directions for its use, and cases in which the oil has been used with the greatest effect / by L. J. de Jongh.

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Jongh, L. J. de

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Cod liver oil : causes of its frequent inefficacy, and means of removing the same : with remarks upon the superiority of the light brown over the pale oil, directions for its use, and cases in which the oil has been used with the greatest effect / by L. J. de Jongh.