Sir Richard Doll, the epidemiologist who discovered the link between smoking and lung cancer in the 1960s, will this week warn that children living near electricity power lines are at an increased risk from leukaemia.流行病學專家里查德·多爾爵士在20世紀60年代發(fā)現(xiàn)了吸煙與肺癌之間的聯(lián)系。本周，他警告說，住在高壓電線附近的孩子得白血病的危險更大。
英英詞典釋義
Noun
1. a medical scientist who studies the transmission and control of epidemic diseases