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Graves JE, Pollock ML, Carpenter DM, Leggett SH, Jones A, MacMillan M, Fulton M.Graves JE, et al. Among authors: pollock ml.Spine (Phila Pa 1976). 1990 Apr;15(4):289-94. doi: 10.1097/00007632-199004000-00008.Spine (Phila Pa 1976). 1990.PMID: 2141187
Graves JE, Pollock ML, Foster D, Leggett SH, Carpenter DM, Vuoso R, Jones A.Graves JE, et al. Among authors: pollock ml.Spine (Phila Pa 1976). 1990 Jun;15(6):504-9. doi: 10.1097/00007632-199006000-00014.Spine (Phila Pa 1976). 1990.PMID: 2144914Clinical Trial.