'raises some doubts' is a correct and usable phrase in written English.
It is used to talk about situations that leave one uncertain or suspicious. For example, "The text of the contract raises some doubts among its readers about its authenticity."
— and raises some doubts, reasonable or not, about her guilt.
Analysis of the data raises some doubts about the validity of the model of 3D growth as it currently stands.
But a new Mason-Dixon poll conducted for The Arkansas Democrat-Gazette raises some doubts whether Mr. Gore can continue the streak.
The hypothesis that the up-crossings of high response thresholds are rare independent events raises some doubts on its application to flexible and low-damped structures, just those structures most susceptible to dynamic wind actions.
Although it raises some doubts about medicating 3- to 5-year-olds, Sheryl Gay Stolberg's article (Nov. 17) basically purports to show that medication is safe and necessary for some children.
This inaccurate knowledge raises some doubts on radiographers' skills, which are fundamental to optimise daily radiological examinations.
And his recent past raises some doubt.
While these findings may conform to Dawe's (2008) conclusion, in the short run, that US and Asian rice prices in contemporary times are unrelated, the fact that the Toda-Yamamoto causality results found Asian prices to transmit over to US prices raises some doubt over the view that US and Asian rice markets function as two separate commodity markets.
As the presence of multiple miRNAs raises some doubt about the validity of the mRNA target site, they were assigned to three groups.
Rating (1) is unlikely to alter the results significantly, (2) seriously weakens confidence in the results, and (3) raises some doubt about the results.
Ten studies were rated as unclear risk of bias (plausible bias that raises some doubt about the result) because one or more criteria were assessed as unclear [ 35, 44- 47, 51, 61, 65, 66, 74].
