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2. Twin study on myopia;Lin, I.L.; Chen, C.J.;Acta Genet Med Gemellol Roma,1987
3. Heritability estimate for refractive errors - a populationbased sample of adult twins;Teikari, J.M.; Kapiro, J.; Koskenvuo, M.K.; Vannas, A.;Genetic Epidemiology,1988
4. Study of gene-environment effects on development of hyperopia: a study of 191 adult twin pairs from the Finnish twin cohort study;Teikari, J.; Koskenvuo, M.; Kaprio, J.; O'Donnell, J.;Acta Genet Med Gemellol Roma,1990
5. Heritability of defects of far vision in young adults - a twin study;Teikari, J.M.; Kaprio, J.; Koskenvuo, M.; O'Donnell, J.;Scand J Soc Med,1992