RT Journal Article SR Electronic T1 Qualitative 18F-FDG PET/CT Response Evaluation After Chemotherapy or Radiotherapy for Head and Neck Squamous Cell Carcinoma: Is There an Equivocal Group? JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2081 OP 2081 DO 10.2967/jnumed.114.148114 VO 55 IS 12 A1 Robin Prestwich A1 Mehmet Sen A1 Andrew Scarsbrook YR 2014 UL http://jnm.snmjournals.org/content/55/12/2081.1.abstract AB