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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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. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.