Headache caused by pathologic conditions of the nose and its accessory sinuses / by Gerhard H. Cocks and John E. MacKenty.

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Credit

Headache caused by pathologic conditions of the nose and its accessory sinuses / by Gerhard H. Cocks and John E. MacKenty. In copyright. Source: Wellcome Collection.

Provider

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.