1. Hoffer, P.B., Jones, W.B., Crawford, R.B., et al. (1968), Fluorescent thyroid scanning: A new method of imaging the thyroid, Radiology
90: 342–344.
2. Hoffer, P.B., Bernstein, J., Gottschalk, A. (1971), Clinical results in fluorescent thyroid scanning, in Semiconductor Detectors in the Future of Nuclear Medicine, Society of Nuclear Medicine, New York, pp. 239–250.
3. Johnson, P.M., Esser, P.D., Lister, D.B. (1979), Fluorescent thyroid imaging: Clinical evaluation of an alternative instrument, Radiology
130: 219–222.
4. Kaufman, L., Shames, D.M., Greenspan, R.H.,. (1973), A new method of measuring cardiac output using fluorescent excitation, in Semiconductor Detectors in Medicine, Oak Ridge, Tennessee, USAEC Conf-730321, pp. 353–408.
5. Koehler, R.E., Kaufman, L., Brito, A., et al. (1976), In vivo measurement of hepatic iodine concentration using fluorescent excitation analysis, Invest. Radiol.
11: 134–137.