What is an eponym? : Exemplified with remarks on Theodor Langhans, Friedrich Merkel, and Paul Langerhans, three contemporary 19th-century pathologists / K. Holubar, D. Kopera.

Der Kropf der weissen Ratte : Beitrag zur vergleichenden Kropfforschung / von Th. Langhans und C. Wegelin.

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