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Oral health status and oral health behaviour of middle-aged and elderly people in PR China
Professor Poul Erik Petersen, Dr. Bin Peng, Dr. Bao Jun TaiVolume:
47
Year:
1997
Language:
english
DOI:
10.1111/j.1875-595x.1997.tb00454.x
File:
PDF, 640 KB
english, 1997