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De urinis tractatus duo. Prior quaestio quodlibetica. An ... quispiam possit ex sola urinarum inspectione morborum naturam ad medelam dignoscere? Alter de urinis ut signo. In quo ordinarius et naturalis hominis sani urinae aspectus, ejusdemque ab eo mutatae constitutio morbi tempore proponitur / [Henri Joseph Réga]. Public Domain Mark. Source: Wellcome Collection.