ɪn ɐdˈɪʃən, hiː wʌz wˈʌn ʌvðɪ ɪnvˈɛntɚz ʌv ˈɛpɪvˌɪɹˌeɪtʃbˌiːvˈiː, ðə fˈɜːst dɹˈʌɡ ɐpɹˈuːvd tə tɹˈiːt hˌɛpɐtˈaɪɾɪs bˈiː ɪnfˈɛkʃənz.
In addition, he was one of the inventors of Epivir-HBV, the first drug approved to treat hepatitis B infections.