Johnson, G. A., Danieley, N., Suddarth, S., & Dunnick, N. R. (1983). A System for Digital Videodensitometry. Proceedings of Spie the International Society for Optical Engineering, 419, 222–227. https://doi.org/10.1117/12.936029

Johnson, G. A., & Ravin, C. E. (1983). A survey of digital chest radiography. Radiol Clin North Am, 21(4), 655–664. https://www.ncbi.nlm.nih.gov/pubmed/6361846

Thompson, W. M., Stude, R., Bates, M., Hedlund, L., & Johnson, G. A. (1983). Contrast Enhancement of the Liver During CT. Investigative Radiology, 18(4), S11–S11. https://doi.org/10.1097/00004424-198307000-00064

Thompson, W. M., Halvorsen, R. A., Gedgaudas, R. K., Kelvin, F. M., Rice, R. P., Woodfield, S., Johnson, G. A, Hedlund, L. W., Jorgensen, D. B. (1983). High kVp vs. low kVp for T-tube and operative cholangiography. Radiology, 146(3), 635–642. https://doi.org/10.1148/radiology.146.3.6828675

Silverman, P. M., Johnson, G. A., & Korobkin, M. (1983). High-resolution sagittal and coronal reformatted CT images of the larynx. Ajr Am J Roentgenol, 140(4), 819–822. https://doi.org/10.2214/ajr.140.4.819

Godwin, J. D., Johnson, G. A., & Fram, E. K. (1983). Testing electrocardiographically-gated ct of the heart with a motion phantom. Investigative Radiology, 18(4), S33–S33. https://scholars.duke.edu/display/pub655219

Ravin, C. E., & Johnson, G. A. (1983). The 'optimal' chest radiograph. Seminars in Respiratory Medicine, 5(1), 1–14. https://scholars.duke.edu/display/pub654966