also, there have been two great posts on the medieval medical blog I co-run:

Winston Black kicked off the aca. year with a great discussion of the dissemination of Constantine the African in English MSS:
https://constantinusafricanus.com/2018/08/22/a-star-is-born-reading-constantine-the-african-in-medieval-england/

and Monica Green followed up with an exploration of the "fantasy pharmacy" of high medieval medicine-- refs to ingredients that wouldn't have actually been accessible:
https://constantinusafricanus.com/2018/09/22/a-fantasy-pharmacy-the-arabic-pharmacopeia-arrives-in-the-latin-west/