TY - BOOK AU - Neckers, Douglas, ed. TI - New Directions in Photodynamic Therapy T2 - Proceedings of SPIE; V. 0847 SN - 9780892528820 (Print) PY - 1988/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0847 ER -