Testimonies of medical authorities on vaccination. With index, distinguishing by an aserisk such as treat of animal (cow, horse, or calf) lymph, without reference to arm to arm vaccination.

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Testimonies of medical authorities on vaccination. With index, distinguishing by an aserisk such as treat of animal (cow, horse, or calf) lymph, without reference to arm to arm vaccination. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.