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Credit
Outlines of rural hygiene. For physicians, students, and sanitarians / by Harvey B. Bashore. With an appendix on the normal distribution of chlorine by Herbert E. Smith. Illustrated. Public Domain Mark. Source: Wellcome Collection.
Provider
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.