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Wolf RL, King BF, Torres VE, Wilson DM, Ehman RL.Wolf RL, et al. Among authors: ehman rl.AJR Am J Roentgenol. 1993 Nov;161(5):995-1002. doi: 10.2214/ajr.161.5.8273644.AJR Am J Roentgenol. 1993.PMID: 8273644