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Cooper-Effa M, Blount W, Kaslow N, Rothenberg R, Eckman J.Cooper-Effa M, et al.J Am Board Fam Pract. 2001 Mar-Apr;14(2):116-22.J Am Board Fam Pract. 2001.PMID: 11314918Free article.
Barrett DH, Wisotzek IE, Abel GG, Rouleau JL, Platt AF Jr, Pollard WE, Eckman JR.Barrett DH, et al. Among authors: eckman jr.South Med J. 1988 Jun;81(6):745-50. doi: 10.1097/00007611-198806000-00015.South Med J. 1988.PMID: 3375880