Most common cause: Is tobacco use, although alcohol and human papilloma virus can be causative agents.
Answered 11/10/2016
5.5k views
A few: Excess alcohol, tobacco, and HPV
Answered 4/5/2020
895 views
3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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