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Ramseier, CA; Mattheos, N; Needleman, I; Watt, R; Wickholm, S; and, co-authors of the First European workshop s position papers (2006). Consensus report: First European workshop on tobacco use prevention and cessation for oral health professionals. Oral health & preventive dentistry(4), pp. 7-9. Berlin: Quintessenz Verlags-GmbH
