- C?n c? vào ??n ?? ngh? c?a ng??i b?nh/ng??i ??i di?n c?a ng??i b?nh …………………….1. People or their Associates must return unused narcotic drugs, psychotropic medication or precursor medicines for the services dispensing or advertising them. These services have to make data of receipt of returned medicine. To be distinct:B? Y t? Vi?t