De methodo medendi variolis hactenus cognita saepe insufficiente magno pro inoculatione argumento dissertatio epistolaris / [Balthasar Ludwig Tralles].

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De methodo medendi variolis hactenus cognita saepe insufficiente magno pro inoculatione argumento dissertatio epistolaris / [Balthasar Ludwig Tralles]. Public Domain Mark. Source: Wellcome Collection.