Une étude plus rigoureuse et plus complète a ensuite été menée par le Alberta Cancer Board, qui a conclu que le nombre de cas observés de formes rares de cancer comme celui du canal cholédoque était normal et à l'intérieur de la fourchette prévue.
Subsequent to that, a more rigorous and complete study was conducted by the Alberta Cancer Board, and they concluded that the observed rates of cancer, the rare cancers, the bile duct cancers, were within the norm, not outside the expected range of these cancers.
