portrait of a mature woman using mobile phone during while her daughter on polysomnography - 睡眠多維圖 個照片及圖片檔睡眠呼吸中止症, 手機, 幸福
female doctor using tablet and talking with child patient during polysomnography at medical clinic - 睡眠多維圖 個照片及圖片檔兒童, 腦部手術, 睡眠呼吸中止症
female doctor using tablet and talking with child patient during polysomnography at medical clinic - 睡眠多維圖 個照片及圖片檔兒童, 腦電圖
doctor preparing a child patient to do polysomnography at medical clinic - 睡眠多維圖 個照片及圖片檔腦電圖, 兒童, 人體神經系統
Scott Jeffers , of League City and a polysomnography technology student at Alvin Community College sits still as fellow students show how diodes are...
Scott Jeffers , front, of League City and a polysomnography technology student at Alvin Community College sits still as fellow students Erin Copland...
Jessica DeVeries , of Santa Fe and a polysomnography technology student at Alvin Community College, double checks the wires of the head hokup as...
Paul McCarver, polysomnography program chairman at Alvin Community College shows all of the different brain waves, eye movement and other things...動作, 眼睛, 睡覺
