New Arabic Evidence on the Division of Medicine : A Text in the Margin of MS Paris, BnF, Arabe 2859, the Alexandrians' Summaries of Galen, Ibn al-Tayyib's Galenic Commentaries, and Hunayn's Medical Questions - Hammerschmied, Ruth (Mélanges de l'Université Saint-Joseph, 69 (2021-2022), 2022)