MacFall, J. R., Benveniste, H., Maki, J., Johnson, G. A., Hedlund, L., & Copher, G. (1990). MR diffusion measurements in stroke models in rat brains. Proceedings of the Annual Conference on Engineering in Medicine and Biology, (pt 1), 67–68. https://ieeexplore.ieee.org/document/690951

Stern, R. L., Johnson, G. A., & Ravin, C. E. (1990). Magnetic resonance imaging of the thoracic cavity using a paused 3DFT acquisition technique. Magn Reson Imaging, 8(6), 747–753. https://doi.org/10.1016/0730-725x(90)90010-y

Farmer, T. H., Cofer, G. P., & Johnson, G. A. (1990). Maximizing contrast to noise with inductively coupled implanted coils. Invest Radiol, 25(5), 552–558. https://doi.org/10.1097/00004424-199005000-00013

MacFall, J. S., Johnson, G. A., & Kramer, P. J. (1990). Observation of a water-depletion region surrounding loblolly pine roots by magnetic resonance imaging. Proc Natl Acad Sci U S A, 87(3), 1203–1207. https://doi.org/10.1073/pnas.87.3.1203

Johnson, G. A., Chotas, H. G., Suddarth, S. A., Ziv, S. B., & Todd, B. E. (1990). Integrated network for medical imaging research. Proceedings of Spie the International Society for Optical Engineering, 1234 pt 1, 159–166. https://scholars.duke.edu/display/pub778669

Baxter G.W., Behringer R.P., Fagert T., Johnson G.A. (1990) Pattern Formation and Time-Dependence in Flowing Sand. In: Joseph D.D., Schaeffer D.G. (eds) Two Phase Flows and Waves. The IMA Volumes in Mathematics and Its Applications, vol 26. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-9022-0_1

Sherrier, R. H., Chotas, H. G., Johnson, G. A., Chiles, C., & Ravin, C. E. (1989). Image optimization in a computed-radiography/photostimulable-phosphor system. J Digit Imaging, 2(4), 212–219. https://doi.org/10.1007/bf03170408

Dockery, S. E., Suddarth, S. A., & Johnson, G. A. (1989). Relaxation measurements at 300 MHz using MR microscopy. Magn Reson Med, 11(2), 182–192. https://doi.org/10.1002/mrm.1910110206

Johnson, G. A., Thompson, M. B., Cofer, G. P., Campen, D., & Maronpot, R. R. (1989). Magnetic resonance imaging of hepatic neoplasms in the rat. Vet Pathol, 26(4), 303–308. https://doi.org/10.1177/030098588902600403

Cofer, G. P., Brown, J. M., & Allan Johnson, G. (1989). In vivo magnetic resonance microscopy at 5 μm. Journal of Magnetic Resonance (1969), 83(3), 608–616. https://doi.org/10.1016/0022-2364(89)90354-5

Baxter, G. W., Behringer, R. P., Fagert, T., & Johnson, G. A. (1989). Pattern formation in flowing sand. Phys Rev Lett, 62(24), 2825–2828. https://doi.org/10.1103/PhysRevLett.62.2825

Farmer, T. H., Johnson, G. A., Cofer, G. P., Maronpot, R. R., Dixon, D., & Hedlund, L. W. (1989). Implanted coil MR microscopy of renal pathology. Magn Reson Med, 10(3), 310–323. https://doi.org/10.1002/mrm.1910100304

Johnson, G. A., & Maronpot, R. R. (1989). Magnetic resonance microscopy of chemically-induced liver foci. Toxicologic Pathology, 17(4 Pt 1), 613–616. https://doi.org/10.1177/0192623389017004106

Stern, R. L., Cline, H. E., Johnson, G. A., & Ravin, C. E. (1989). Three-dimensional imaging of the thoracic cavity. Invest Radiol, 24(4), 282–288. https://doi.org/10.1097/00004424-198904000-00005

Maynor, C. H., Charles, H. C., Herfkens, R. J., Suddarth, S. A., & Johnson, G. A. (1989). Chemical shift imaging of atherosclerosis at 7.0 Tesla. Invest Radiol, 24(1), 52–60. https://doi.org/10.1097/00004424-198901000-00012

Matyac, C. A., Cofer, G. P., Bailey, J. E., & Johnson, G. A. (1989). In Situ Observations of Root-gall Formation Using Nuclear Magnetic Resonance Imaging. J Nematol, 21(1), 131–134. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2618902/

Cline, H. E., Lorensen, W. E., Herfkens, R. J., Johnson, G. A., & Glover, G. H. (1989). Vascular morphology by three-dimensional magnetic resonance imaging. Magn Reson Imaging, 7(1), 45–54. https://doi.org/10.1016/0730-725x(89)90323-8

Maki, J. H., Johnson, G. A., Cofer, G. P., & MacFall, J. R. (1988). SNR improvement in NMR microscopy using DEFT. Journal of Magnetic Resonance (1969), 80(3), 482–492. https://doi.org/10.1016/0022-2364(88)90243-0

Stern, R. L., Cline, H. E., Johnson, G. A., & Ravin, C. E. (1988). Development of a 3D reconstructed-image surgical planning station. Investigative Radiology, 23(9), S60–S60. https://scholars.duke.edu/display/pub655251

Brown, J. M., Thomas, J. F., Cofer, G. P., & Johnson, G. A. (1988). Magnetic Resonance Microscopy of Stem Tissues of Pelargonium hortorum. Botanical Gazette, 149(3), 253–259. https://doi.org/10.1086/337713

Farmer, T. H. R., Johnson, G. A., Cofer, G. P., Maronpot, R. R., & Hedlund, L. W. (1988). MR microscopy of nephrotoxic acute tubular-necrosis in the rat. Investigative Radiology, 23(9), S10–S10. https://scholars.duke.edu/display/pub654959

Maki, J. H., Cofer, G. P., Hedlund, L. W., Macfall, J. R., & Johnson, G. A. (1988). MR microscopy using driven equilibrium (deft). Investigative Radiology, 23(9), S21–S21. https://scholars.duke.edu/display/pub655181

Sherrier, R. H., Suddarth, S. A., & Johnson, G. A. (1988). Film-Based Digital Tomosynthesis Of The Chest. Optical Engineering, 27(8). https://doi.org/10.1117/12.7976742

Effmann, E. L., Johnson, G. A., Smith, B. R., Talbott, G. A., & Cofer, G. (1988). Magnetic resonance microscopy of chick embryos in ovo. Teratology, 38(1), 59–65. https://doi.org/10.1002/tera.1420380109

Dixon, D., Johnson, G. A., Cofer, G. P., Hedlund, L. W., & Maronpot, R. R. (1988). Magnetic resonance imaging (MRI): a new tool in experimental toxicologic pathology. Toxicol Pathol, 16(3), 386–391. https://doi.org/10.1177/019262338801600311

Spritzer, C. E., Vogler, J. B., Martinez, S., Garrett, W. E., Johnson, G. A., McNamara, M. J., Lohnes, J., Herfkens, R. J. (1988). MR imaging of the knee: preliminary results with a 3DFT GRASS pulse sequence. Ajr Am J Roentgenol, 150(3), 597–603. https://doi.org/10.2214/ajr.150.3.597

Sherrier, R. H., Chiles, C., Wilkinson, W. E., Johnson, G. A., & Ravin, C. E. (1988). Effects of image processing on nodule detection rates in digitized chest radiographs: ROC study of observer performance. Radiology, 166(2), 447–450. https://doi.org/10.1148/radiology.166.2.3336719

Maynor, C. H., Charles, H. C., Herfkens, R. J., Suddarth, S. A., & Johnson, G. A. (1988). Invitro chemical-shift imaging of atherosclerosis at 7.0-Tesla. Investigative Radiology, 23(9), S3–S3.

Conner, W. E., Johnson, G. A., Cofer, G. P., & Dittrich, K. (1988). Magnetic resonance microscopy: in vivo sectioning of a developing insect. Experientia, 44(1), 11–12. https://doi.org/10.1007/bf01960223

Dockery, S., Suddarth, S. A., Cofer, G. P., & Johnson, G. A. (1988). The impact of increased spin-lattice relaxation-time microscopy at 7.0T. Investigative Radiology, 23(9), S20–S20.