On the difference in the results obtained after inoculation of tumors into the individual in which the tumor had developed spontaneously, and into other individuals of the same species / Leo Loeb and Samuel Leopold.

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On the difference in the results obtained after inoculation of tumors into the individual in which the tumor had developed spontaneously, and into other individuals of the same species / Leo Loeb and Samuel Leopold. In copyright. 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.