Johnson, G. A., & O'Foghluda, F. (1980). An Investigation of Transmolybdenum Fluorescent Anodes for Mammography. American Journal of Roentgenology, 134(4), 855–855. https://doi.org/10.1117/12.958917

Wolbarsht, M. L., O’Foghludha, F. A., Sliney, D. H., Guy, A. W., Smith, A. A., & Johnson, G. A. (1980). Electromagnetic emission from visual display units: A non-hazard. Proceedings of Spie the International Society for Optical Engineering, 229, 187–195. https://doi.org/10.1117/12.958802

Thompson, W. M., Amberg, J. R., & Shaw, M. (1980). Iodine concentration and radiographic density during oral cholecystography. Investigative Radiology, 15(5), 397. https://doi.org/10.1097/00004424-198009000-00049

Johnson, G. A., Holt, D. C., & Effman, E. L. (1980). Practical Guidelines for Specimen Radiography. Investigative Radiology, 15(5), 377–377. https://scholars.duke.edu/display/pub655389

Johnson, G. A., & Ravin, C. E. (1980). Scattered Radiation from the Film Holder in Chest Radiography. American Journal of Roentgenology, 134(1), 201–201. https://scholars.duke.edu/display/pub655390

Johnson, G. A., & O’Foghludha, F. (1980). Simulation of mammographic x-ray spectra. Med Phys, 7(3), 189–195. https://doi.org/10.1118/1.594684