1. Neoplasms in persons treated with X-rays in infancy: fourth survey in 20 years;Hempelmann;J Natl Cancer Inst,1975
2. Thyroid cancer occurring as a late consequence of head and neck irradiation. Evaluation of 1056 patients;Favus;N Engl J Med,1976
3. Thyroid tumours following thymus irradiation;Shore;J Natl Cancer Inst,1985
4. Thyroid cancer in an iodine rich area. A histopathological study;Williams;Cancer,1977
5. A population-based case-control study of thyroid cancer;Ron;J Natl Cancer Inst,1987