Photodynamic Therapy Using HPPH in Treating Patients Undergoing Surgery for Primary or Recurrent Head and Neck Cancer
Roswell Park Cancer Institute
Roswell Park Cancer Institute
Canadian Cancer Trials Group
SWOG Cancer Research Network
University of Arizona
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Yale University
National Cancer Institute (NCI)
Dartmouth-Hitchcock Medical Center
Memorial Sloan Kettering Cancer Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
European Organisation for Research and Treatment of Cancer - EORTC
National Institutes of Health Clinical Center (CC)
Case Comprehensive Cancer Center
NYU Langone Health
Case Comprehensive Cancer Center
Case Comprehensive Cancer Center