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Pettersson I, Wang G, Smith EI, Wigzell H, Hedfors E, Horn J, Sharp GC.Pettersson I, et al. Among authors: sharp gc.Arthritis Rheum. 1986 Aug;29(8):986-96. doi: 10.1002/art.1780290807.Arthritis Rheum. 1986.PMID: 3488746
Kingsland LC 3rd, Lindberg DA, Sharp GC.Kingsland LC 3rd, et al. Among authors: sharp gc.J Med Syst. 1983 Jun;7(3):221-7. doi: 10.1007/BF00993283.J Med Syst. 1983.PMID: 6352842