ˈæbuː hˈæfsə jˈæzɪd ɪz sˈʌmtaɪmz dᵻskɹˈaɪbd æz kˈoːɹt fɪzˈɪʃən tə ðə kˈeɪlɪf jˈuːmɚɹ aɪ ɚɹˈaʊnd ðə jˈɪɹ sˈɪkshˈʌndɹɪd fˈoːɹɾi θɹˈiː sˌiːˈiː, haʊˈɛvɚ ðɪs mˈeɪ biː ɐn ˈɛɹɚ bˈeɪst ˌɔn ɹˈaɪɾɪŋz baɪ lˈeɪɾɚɹ ˈæɹəb hɪstˈoːɹiənz, æz hiː ɪz nˌɑːt kˈɔːld ɐ fɪzˈɪʃən ɪnðɪ ˈɜːlɪɪst tˈɛksts.
Abu Hafsa Yazid is sometimes described as court physician to the Caliph Umar I around the year 643 CE, however this may be an error based on writings by later Arab historians, as he is not called a physician in the earliest texts.