K. Hesselgren

Dental caries in Danish 7-, 11- and 13-year-old children in 1963, 1972 and 1981.

A. Thylstrup, J. Bille, K. Hesselgren, 1986, Caries research.

Development in dental caries among children in 1961-79 in a Danish community with school dental service.

A. Thylstrup, K. Hesselgren, 1982, Community dentistry and oral epidemiology.