??? ???? ??? ??? ?????? ?? ??? ?? ???? ??? ??? ???? ??? ? ??? ??????. ??? ???? ??? ?????, ??? ??? ??? ???? ??? ???? ?????. ?? ??? ???? ???? ??? ??? ??? ?????! ?? ?????, ???? ??? ????? ???? ??? ???? ??? ??? ??? ??????! ?? ??? ??? ???? ???? ??? ???? ??? ?? ??? ???? ????? ?? ????? ??? ???? ??? ??? ???? ?????? ??? ??? ??? ??? ??? ??? ?????. ?
전자담배, 새로운 선택의 과학: 정석 가이드
?? times ??, ????? an emerging phenomenon ?? ?? ? ?? ???? | ?? ???? ???? | ???? ????}. ? ???? ?? | ??? ?? ??? | ?? ?? | ? ???? ??? negative impacts ? ????? ? ??? ??, a safer option | ?? ??? ?? | ????? ???? ????. ??? ????? ?? doubts? ??? ????, ?? ??? | ??? | ??? ?? ??????. ? ?????? ????? science , ??? variations, ??? ???? health risks ? ?? crucial