- Turkish language1
- Twentieth century1
- Ugo, Giacoma di1
- Ugo, Piero di1
- Ugolino, Lodovico di1
- Urine--Analysis1
- Urjūzah fī al-ṭibb (Avicenna)1
- Urology1
- Ushnuhī, ʻAbd al-ʻAzīz ibn ʻAlī, 12th cent. Kifāyah fī al-farāʼiḍ1
- Ustarūshanī, Muḥammad ibn Maḥmūd, -1234 or 1235. Fuṣūl1
- Vanne, Benedetto di1
- Vannello, Giovanni di1
- Vannoli, Nanne1
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- Ventura, Jacopo di1
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- Veterinary medicine1
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