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Objective Up to 15% of human cancers can be attributed to infections. Currently there are no known associations between infective agents and childhood brain tumors. We explored childhood brain tumor risk associated with a variety of indicators of infection during gestation and childhood. Methods Two hundred and seventy-two cases of childhood brain tumor diagnosed in children less then 15 years of...
ObjectiveTo examine risk of childhood acute lymphoblastic leukemia (ALL) associated with maternal use of medications during pregnancy; in particular medications known or suspected to be teratogenic. Methods: Seven hundred and eighty nine children (<15years old) diagnosed with ALL in the province of Québec between 1980 and 2000 were recruited for study. A similar number of population based controls...
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