「睡虎地秦簡よりみた秦代の国家と社会」工藤元男著--睡虎地秦簡研究の勝利者

The prevalence of smokeless tobacco use was high among adults in Cameroon and it was associated with more likelihood of oral health problems. There is therefore a need for health education on the health consequences of the smokeless tobacco use with demonstrations by the dentist.