Authors:
Pukkala, E
Verkasalo, P
Ojamo, M
Rudanko, SL
Citation: E. Pukkala et al., Response to the letter by Maria Feychting and Anders Ahlbom (Cancer Causesand Control 10 : 637, 1999.) - Why is the cancer pattern so different among visually impaired persons in Finland and Sweden?, CANC CAUSE, 11(1), 2000, pp. 99-100