Brown, J. M., Fonteno, W. C., Cassel, D. K., & Johnson, G. A. (1987). Computed tomographic analyses of water distribution in three porous foam media. Soil Science Society of America Journal, 51(5), 1121–1125. https://doi.org/10.2136/sssaj1987.03615995005100050005x

Stude, R. A., Hedlund, L. W., Johnson, G. A., & Thompson, W. M. (1987). Contrast enhancement of the liver. Evaluation by automated contiguous pixel search. Invest Radiol, 22(2), 132–136. https://doi.org/10.1097/00004424-198702000-00008

Sherrier, R. H., Chiles, C., Johnson, G. A., & Ravin, C. E. (1987). Differentiation of benign from malignant pulmonary nodules with digitized chest radiographs. Radiology, 162(3), 645–649. https://doi.org/10.1148/radiology.162.3.3809476

McAdams, H. P., Johnson, G. A., Suddarth, S. A., Sherrier, R. H., & Ravin, C. E. (1987). Implementation of adaptive filtration for digital chest imaging. Optical Engineering, 26(7), 669–674. https://www.spiedigitallibrary.org/journals/Optical-Engineering/volume-26/issue-7/267669/Implementation-Of-Adaptive-Filtration-For-Digital-Chest-Imaging/10.1117/12.7974133.short?SSO=1

Hollett, M. D., Cofer, G. P., & Johnson, G. A. (1987). In situ magnetic resonance microscopy. Invest Radiol, 22(12), 965–968. https://doi.org/10.1097/00004424-198712000-00009

Drayer, B. P., Burger, P., Hurwitz, B., Dawson, D., Cain, J., Leong, J., Herfkens, R., Johnson, G. A. (1987). Magnetic resonance imaging in multiple sclerosis: decreased signal in thalamus and putamen. Ann Neurol, 22(4), 546–550. https://doi.org/10.1002/ana.410220418

Karis, J. P., Allan Johnson, G., & Glover, G. H. (1987). Signal-to-noise improvements in three-dimensional NMR microscopy using limited-angle excitation. Journal of Magnetic Resonance (1969), 71(1), 24–33. https://doi.org/10.1016/0022-2364(87)90124-7

Hedlund, L., Cofer, G., Suddarth, S., & Johnson, G. A. (1987). Small animal anesthesia and monitoring during extended MR microscopy. Investigative Radiology, 22(9), S44–S44. https://doi.org/10.1097/00004424-198709000-00193

Johnson, G. A., Thompson, M. B., & Drayer, B. P. (1987). Three-dimensional MRI microscopy of the normal rat brain. Magnetic Resonance in Medicine, 4(4), 351–365. https://onlinelibrary.wiley.com/doi/abs/10.1002/mrm.1910040406

Utz, J. A., Herfkens, R. J., Johnson, C. D., Shimakawa, A., Pelc, N., Glover, G., Johnson, G. A., Spritzer, C. E. (1987). Two-second MR images: comparison with spin-echo images in 29 patients. Ajr Am J Roentgenol, 148(3), 629–633. https://doi.org/10.2214/ajr.148.3.629