History A list of downloadable documents created during development. Other information Interstitial photodynamic therapy for malignant parotid tumours (interventional procedures consultation) information Interstitial photodynamic therapy for malignant parotid tumours (interventional procedures overview) PDF 99 KB 02 January 2008 Understanding NICE guidance (MS Word format) information Understanding NICE guidance (MS Word format) MSWord 404 KB 23 April 2008 Consultation comments PDF 23 KB 23 April 2008