The ''clavis sanationis'' was written in the thirteenth century by Simon of Genoa, a physician to pope Nicolas IV. It is a multilingual dictionary that covers medical terminology in Latin, Greek and Arabic language. It uses, and often quotes, a number of valuable sources which are otherwise lost today. | The ''clavis sanationis'' was written in the thirteenth century by Simon of Genoa, a physician to pope Nicolas IV. It is a multilingual dictionary that covers medical terminology in Latin, Greek and Arabic language. It uses, and often quotes, a number of valuable sources which are otherwise lost today. |