Nelson, R. C., Carroll, B. A., Charboneau, J. W., Cooperberg, P. L., Frederic, M. G., O’Hara, S. M., … Winter, T. C. (1996). Ultrasonography. Radiology, 198(2), 598–600. https://doi.org/10.1148/radiology.198.2.8596875

Nelson, R. C., B. A. Carroll, J. W. Charboneau, P. L. Cooperberg, M. G. Frederic, S. M. O’Hara, E. K. Paulson, C. W. Piccoli, D. H. Pretorius, and T. C. Winter. “Ultrasonography.” Radiology 198, no. 2 (February 1996): 598–600. https://doi.org/10.1148/radiology.198.2.8596875.

Nelson RC, Carroll BA, Charboneau JW, Cooperberg PL, Frederic MG, O’Hara SM, et al. Ultrasonography. Radiology. 1996 Feb;198(2):598–600.

Nelson, R. C., et al. “Ultrasonography.” Radiology, vol. 198, no. 2, Feb. 1996, pp. 598–600. Pubmed, doi:10.1148/radiology.198.2.8596875.

Nelson RC, Carroll BA, Charboneau JW, Cooperberg PL, Frederic MG, O’Hara SM, Paulson EK, Piccoli CW, Pretorius DH, Winter TC. Ultrasonography. Radiology. 1996 Feb;198(2):598–600.