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Responsio ad qualemcumque Defensionem Frederici Ruyschii ... pro septo scroti. In qua hujus litis anatomicae detegitur origo: et septum scroti ... fictitium esse, clare demonstratur. Adjuncta est ... auctoris Epistola [de inventoribus septi scroti] / [Johannes Jacobus Rau]. Public Domain Mark. Source: Wellcome Collection.