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Pasipoularides, Ares (2014). "Galen, father of systematic medicine. An essay on the evolution of modern medicine and cardiology". International Journal of Cardiology. 172 (1): 47–58. doi:10.1016/j.ijcard.2013.12.166. PMID24461486.
S. Alexandru (2021). "Critical Remarks on Codices in which Galen Appears as a Member of the gens Claudia". Mnemosyne. 74 (4): 553–597. doi:10.1163/1568525x-12342720. S2CID225298224.