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Feldman JP, Donnelly EF, Fulton JP, Smith RA, DeBuono BA, Scott HD.Feldman JP, et al.R I Med J (1976). 1990 Dec;73(12):591-7.R I Med J (1976). 1990.PMID: 2293312
Scott HD, DeBuono BA, Fulton JP, Smith RA, Feldman JP.Scott HD, et al. Among authors: feldman jp.J Public Health Policy. 1992 Spring;13(1):52-65.J Public Health Policy. 1992.PMID: 1629360