Sir Richard Doll , a British epidemiologist whose pioneering studies lasting more than 50 years linked smoking to lung cancer , emphysema , heart attacks and many other ailments , died on Sunday in John Radcliffe Hospital in Oxford , England .
Richard Doll /people/deceased_person/place_of_death Oxford
Oxford /location/location/contains John Radcliffe Hospital
NNP NNP NNP , DT JJ NN WP$ JJ NNS VBG JJR IN CD NNS VBN NN TO NN NN , NN , NN NNS CC JJ JJ NNS , VBD IN NNP IN NNP NNP NNP IN NNP , NNP .
Richard Doll
PERSON
Oxford
LOCATION
/people/deceased_person/place_of_death
Oxford
LOCATION
John Radcliffe Hospital
ORGANIZATION
/location/location/contains