Changes from 1992 to 2002 in the pretreatment delay for patients with squamous cell carcinoma of larynx or pharynx: a Danish nationwide survey from DAHANCA

Hanne Primdahl, Anni Linnet Nielsen, Susanne Larsen, Elo Andersen, Merete Ipsen, Christel Lajer, Lene Weber Vestermark, Lisbeth Juel Andersen, Hanne Sand Hansen, Marie Overgaard, Jens Overgaard, Cai Grau, DAHANCA