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LARGE SIZE IOF
COHORTS WILL BE DIFFICULT TO FOLLOW WITHOUT LOSS.
LOSS OF MORE THAN 10% WILL REDUCE THE VALIDITY, THOUGH ATTRITION IS UNAVOIDABLE. ETHICALLY AS IT IS NOT ADVISABLE AND HUMANE TO LEAVE THE THE PATIENTS TO GET THE DISEASE WITHOUT PREVENTION IS NOT CORRECT. HENCE, NECESSARY PERMISSIONS FROM ETHICAL COMMITTEE IS ESSENTIAL. |