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Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Oral Surg. Oral Med. Oral Pathol. 9: 1172-1184, 1956.
Roth GD. Proteolytic organisms of the carious lesion. Oral Surg. Oral Med. Oral Pathol. 10: 1105-1117, 1957.
human carious teeth