Doll and Hill's first study was which type of study, which included 706 subjects who had lung cancer and 709 subjects who had diseases other than lung cancer?
A) Cohort study
B) Longitudinal study
C) Case-control study
D) Randomized controlled trial

Question

Quizplus · Accepted Answer

Doll and Hill's first study was a case-control study, which involves comparing subjects with a specific condition (lung cancer) to those without it (other diseases) to identify factors associated with the condition.

Doll and Hill's First Study Was Which Type of Study