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The natural history of periodontal disease in man : Study design and baseline data
Harald Löe, ÅGe ÅNerud, Hans Boysen, Martyn SmithVolume:
13
Year:
1978
Language:
english
Pages:
13
DOI:
10.1111/j.1600-0765.1978.tb00209.x
File:
PDF, 3.73 MB
english, 1978