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J.1600-0765.1978.TB00209.X
J.1600-0765.1978.TB00209.X
http://dx.doi.org/10.1111/J.1600-0765.1978.TB00209.X
The natural history of periodontal disease in man. Study design and baseline data.
P356
Q30955462-DC0A79BA-D6C6-4D87-B10E-B032262EEF3C
P356
J.1600-0765.1978.TB00209.X
http://dx.doi.org/10.1111/J.1600-0765.1978.TB00209.X