@article{van Lier_2006 author = {Johan E. van Lier and Veronique Berard and Roger Lecomte}, title = {Positron Emission Tomography Imaging of Tumor Response after Photodynamic Therapy}, journal = {Journal of Environmental Pathology, Toxicology and Oncology}, issn = {0731-8898}, year = {2006}, volume = {25}, number = {1-2}, pages = {239--250} }