L. G. PREVOSTI, C. G. BECKER, G. T. SHIRES, J. J. WYNNE, and R. LINSKER, "Atherosclerotic plaque detection by laser-induced fluorescence using hematoporphyrin derivative as an exogenous probe,"
in Conference on Lasers and Electro-Optics, D. Auston, R. Jacobs, R. Bartolini, and P. Liao, eds.,
Vol. 14 of OSA Technical Digest
(Optica Publishing Group, 1987), paper TUG4.