The collective investigation record / edited for the Collective Investigation Committee of the British Medical Association by Professor Humphry and F.A. Mahomed.

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The collective investigation record / edited for the Collective Investigation Committee of the British Medical Association by Professor Humphry and F.A. Mahomed. 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.