1. Cancer Incidence in Five Continents,1982
2. Changing incidence of thyroid cancer;Weiss;J Natl Cancer Inst,1979
3. Divergence between mortality and incidence rates of thyroid cancer in Scotland;Kerr;Lancet,1985
4. Incidence of thyroid cancer in Norway 1970–1985. Population review on time trend, sex, age, histological type and tumor stage in 2625 cases;Aksten;Acta Pathol Microbiol Imunol Scand,1980
5. Thyroid cancer: incidence, mortality and histological pattern in Denmark;Sprøgel;Int J Epidemiol,1989