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Wing S, Casper M, Davis WB, Pellom A, Riggan W, Tyroler HA.Wing S, et al. Among authors: riggan w.Stroke. 1988 Dec;19(12):1507-13. doi: 10.1161/01.str.19.12.1507.Stroke. 1988.PMID: 3201510
Manton KG, Woodbury MA, Stallard E, Riggan WB, Creason JP, Pellom AC.Manton KG, et al. Among authors: riggan wb.J Am Stat Assoc. 1989 Sep;84(407):637-50. doi: 10.1080/01621459.1989.10478816.J Am Stat Assoc. 1989.PMID: 12155378
Love GJ, Lan SP, Shy CM, Riggan WB.Love GJ, et al. Among authors: riggan wb.Arch Environ Health. 1982 Mar-Apr;37(2):75-80. doi: 10.1080/00039896.1982.10667539.Arch Environ Health. 1982.PMID: 7073326