Social & Preventive Medicine In a UK study, it was found that there were more deaths from Asthma than the sale of Anti-asthma drugs. This is an example of A Cohort study B Case reference study C Ecological study D Experimental study 💡 Explanation In a UK study, it was found that there were more deaths from Asthma than the sale of Anti-asthma drugs. This is an example of ✓ Correct Answer: C. Ecological study