Q:

Following a large group of cigarette smokers for a period of 10 years to determine the occurrence of chronic obstructive pulmonary disease (COP, coronary heart disease, and various forms of lung cancer would be an example of

1

Following a large group of cigarette smokers for a period of 10 years to determine the occurrence of chronic obstructive pulmonary disease (COP, coronary heart disease, and various forms of lung cancer would be an example of


  1. Randomized clinical trial
  2. Cross-sectional study
  3. Prevalence study
  4. Cohort study
  5. Case-control study

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d) Cohort study

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