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Credit
De fabrica systematis nervosi evertebratorum : dissertatio inauguralis anatomica ... / publice defendet auctor Arminius Helmholtz ; opponentibus G. Baltes, H. Wald, E. Hartwich. 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.