FLUORESCENCE PHOTODIAGNOSIS IN TUMORS USING LASERS Y. HAYATA, H. KATO, C. KONAKA, K. AIZAWA, T. OKUNAKA et T. HIRANO J. Phys. Colloques, 48 C7 (1987) C7-29-C7-35 DOI: 10.1051/jphyscol:1987704