Buy Me a Coffee at ko-fi.com

British doctors study

study (1951 to 2001) into smoking and lung cancer

Pronunciation
/ˈbrɪtɪʃ ˈdɒktəz ˈstʌdi/
/ˈbrɪdɪʃ ˈdɑktərz ˈstədi/
Categories
cohort study