Our teeth : how to take care of them / by Victor C. Bell ; with an introduction by Ossian H. Lang.
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Our teeth : how to take care of them / by Victor C. Bell ; with an introduction by Ossian H. Lang. Credit: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.. Public Domain Mark