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Hricak H, Williams RD, Spring DB, Moon KL Jr, Hedgcock MW, Watson RA, Crooks LE.Hricak H, et al. Among authors: spring db.AJR Am J Roentgenol. 1983 Dec;141(6):1101-10. doi: 10.2214/ajr.141.6.1101.AJR Am J Roentgenol. 1983.PMID: 6196961