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George SZ, Wu SS, Wallace MR, Moser MW, Wright TW, Farmer KW, Greenfield WH 3rd, Dai Y, Li H, Fillingim RB.George SZ, et al. Among authors: greenfield wh 3rd.Arthritis Care Res (Hoboken). 2016 Nov;68(11):1671-1680. doi: 10.1002/acr.22876. Epub 2016 Oct 6.Arthritis Care Res (Hoboken). 2016.PMID: 26945673Free PMC article.
Welch E, Fleming LE, Peyser I, Greenfield W, Steele BW, Bandstra ES.Welch E, et al.J Pediatr. 1993 Sep;123(3):468-70. doi: 10.1016/s0022-3476(05)81759-7.J Pediatr. 1993.PMID: 8355129
Mittelmann M, Greenfield WH Jr.Mittelmann M, et al. Among authors: greenfield wh jr.Arch Phys Med Rehabil. 1977 Aug;58(8):365-8.Arch Phys Med Rehabil. 1977.PMID: 141921