1. Parker SL, Tong T, Bolden S, Wingo PA. Cancer statistics, 1996. CA 1996; 46: 5–27.
2. Ries LAG, Kosary CL, Hankey BF, Miller BA, Clegg L, Edwards BK (eds). SEER Cancer Statistics Review, 1973–1996, National Cancer Institute. Bethesda, MD, 1999.
3. Verby JE, Woolner LB, Nobrega FT, Kurland LT, McConahey WM. Thyroid cancer in Olmsted County, 1935–1965. J Natl Cancer Inst 1969; 43: 813–820.
4. Polednak AP. Trends in cancer incidence in Connecticut, 1935–1991. Cancer 1994; 74: 2863–2872.
5. Goodman MT, Yoshizawa CN, Kolonel LN. Descriptive epidemiology of thyroid cancer in Hawaii. Cancer 1988; 61: 1272–1281.