TY - RPRT TI - Photodynamic therapy. AU - D C Shackley AU - C Whitehurst AU - N W Clarke AU - C Betts AU - J V Moore PY - 1999 DO - 10.1177/014107689909201106 UR - https://pubmed.ncbi.nlm.nih.gov/10703492/ ID - 10703492 ER -