But repeated disappointments have led some experts to doubt whether antisense makes any sense at all.

FORBES: Antisense and Sensibility

Some experts have cast doubt on whether the statistical analysis used to interpret the data in the study gives an accurate assessment of true risk.

BBC: Breast cancer

But some constitutional experts cast doubt on this argument as it appears in the same paragraph that refers to the 10 January (implying it should take place on that day).

BBC: Hugo Chavez inauguration: Conflicting views