Woollons, A C Advanced head and neck cancer: proportionally higher in southland than Otago. [electronic resource] - The New Zealand medical journal Nov 1996 - 428-30 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0028-8446 Subjects--Topical Terms: AgedFemaleHead and Neck Neoplasms--epidemiologyHumansMaleMiddle AgedNeoplasm StagingNew Zealand--epidemiologyRetrospective Studies