Ancient Greek text
Κατὰ τὴν αὐτὴν αἰτίαν ἐοίκασιν οἱ παλαιότατοι τῶν ἰατρῶν τὰς πονηρὰς …
Claudii Galeni Opera Omnia, Knobloch, Lipsiae, 1826
Galen, De purgantium medicamentorum facultate, ed. Karl Gottlob Kühn. Text: The Greek Library, from the Perseus Digital Library and other open sources, CC BY-SA 4.0. Changes: apostrophes normalised and the text divided into reading sections by Interlinea.
Texts from The Greek Library and the Perseus Digital Library, under CC BY-SA 4.0 and CC BY 4.0. Divided into reading sections by Interlinea.