Feychting ea 1998
Feychting M., Osterlund В., Ahlbom A. Reduced cancer incidence among the blind // Epidemiology. 1998. Vol. 89. P. 490-494.
Feychting M., Osterlund В., Ahlbom A. Reduced cancer incidence among the blind // Epidemiology. 1998. Vol. 89. P. 490-494.
