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Haas JS, Kaplan CP, Gregorich SE, Pérez-Stable EJ, Des Jarlais G.Haas JS, et al. Among authors: des jarlais g.J Gen Intern Med. 2004 Apr;19(4):302-9. doi: 10.1111/j.1525-1497.2004.30280.x.J Gen Intern Med. 2004.PMID: 15061738Free PMC article.