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Johnson CC, Nicklas TA, Arbeit ML, Harsha DW, Mott DS, Hunter SM, Wattigney W, Berenson GS.Johnson CC, et al.South Med J. 1991 Nov;84(11):1305-12. doi: 10.1097/00007611-199111000-00004.South Med J. 1991.PMID: 1948212Clinical Trial.