That cast serious doubt on the map's authenticity.
But another study, by the World Health Organization, cast serious doubt on the official Chinese figures.
The inspections chiefs cast serious doubt on Iraq's cooperation so far.
Wilson's findings cast serious doubt on the truth of the rumor.
Four decades of accumulated evidence, including evidence once suppressed by prosecutors, has cast serious doubt on Mr. MacDonald's guilt.
He embarrassed the appeals court he is supposed to lead and cast serious doubt on his judicial impartiality.
But a recent report prepared by the Johns Hopkins School of Public Health cast serious doubt on that claim.
Vladimir Nabokov, conducting research for his definitive translation of Pushkin's "Eugene Onegin," was the first to cast serious doubt on the Ethiopian angle.
If he received the amount of money that Karakas says he did, it would cast serious doubt on his eligibility for the Wildcats.
Butler said the report "cast serious doubt" on reassurances that dumping dredged sand, silt and clay wouldn't damage coral reefs, dolphins, dugongs and other animals.
"Cheung's conduct has cast serious doubt on his ability to carry on the regulated activity competently, honestly and fairly, as well as his reputation, character and reliability".
