Dentition, oral hygiene, and risk of oral cancer: a case-control study in Beijing, People's Republic of China
1993 ◽
Vol 29
(1)
◽
pp. 45-55
◽
1993 ◽
Vol 137
(2)
◽
pp. 155-165
◽
1989 ◽
Vol 161
(1)
◽
pp. 121-127
◽
1994 ◽
Vol 174
(2)
◽
pp. 177-180
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