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Locher CP, Witt SA, Ashlock BM, Polacino P, Hu SL, Shiboski S, Schmidt AM, Agy MB, Anderson DM, Staprans SI, zur Megede J, Levy JA.Locher CP, et al.Vaccine. 2004 Jun 2;22(17-18):2261-72. doi: 10.1016/j.vaccine.2003.11.045.Vaccine. 2004.PMID: 15149785
Locher CP, Putnam D, Langer R, Witt SA, Ashlock BM, Levy JA.Locher CP, et al.Immunol Lett. 2003 Dec 15;90(2-3):67-70. doi: 10.1016/j.imlet.2003.02.001.Immunol Lett. 2003.PMID: 14687705