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Lang WP, Farghaly MM, Woolfolk MW, Ziemiecki TL, Faja BW.Lang WP, et al. Among authors: faja bw.J Public Health Dent. 1991 Summer;51(3):164-9. doi: 10.1111/j.1752-7325.1991.tb02208.x.J Public Health Dent. 1991.PMID: 1920269Free article.Clinical Trial.
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