1.He was in medical school, studying to be a geriatrician.
他当时在一所医学学校学习，准备成为一个老年科大夫。
2.Geriatrician Dosa with Oscar. "I learned to watch him and to listen to him, " says the doctor.
多萨医生和奥斯卡在一起，他说：“现在我已经学会观察它的行为，聆听它的内心。”
3.David Dosa, MD, a geriatrician since 2003, lives in Barrington, Rhode Island. (He has changed most of the names here for privacy. )
大卫·多萨，医学博士，从2003年起担任老年病医生，现居罗德岛巴林顿市（出于隐私，他对多数人名都作了改换）。