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Credit
La morphinomanie, les frontières de la folie, le dualisme cérébral, les rêves prolongés, la folie gémellaire ou aliénation mentale chez les jumeaux / B. Ball. Public Domain Mark. 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.