Social & Preventive Medicine All of the following are features of Cross-Over studies except – A All patients receive the new therapy B Not suitable if drug on interest cures the disease C Not suitable if drug is effective only during a certain stage of disease D Not suitable if disease does not changes radically during the study 💡 Explanation All of the following are features of Cross-Over studies except - ✓ Correct Answer: D. Not suitable if disease does not changes radically during the study