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Helmrath MA, VanderKolk WE, Can G, Erwin CR, Warner BW.Helmrath MA, et al. Among authors: warner bw.J Am Coll Surg. 1996 Nov;183(5):441-9.J Am Coll Surg. 1996.PMID: 8912612
Helmrath MA, Shin CE, Fox JW, Erwin CR, Warner BW.Helmrath MA, et al. Among authors: warner bw.Lancet. 1998 Jan 24;351(9098):266-7. doi: 10.1016/S0140-6736(05)78271-4.Lancet. 1998.PMID: 9457103No abstract available.