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Franz BK, Dowell RC, Clark GM, Seligman PM, Patrick JF.Franz BK, et al. Among authors: dowell rc.Am J Otol. 1987 Nov;8(6):516-8.Am J Otol. 1987.PMID: 3434615
Clark GM, Dowell RC, Pyman BC, Brown AM, Webb RL, Tong YC, Bailey Q, Seligman PM.Clark GM, et al. Among authors: dowell rc.Aust N Z J Surg. 1984 Dec;54(6):519-26. doi: 10.1111/j.1445-2197.1984.tb05439.x.Aust N Z J Surg. 1984.PMID: 6393936Clinical Trial.