Sentence examples for uncertain until now from inspiring English sources

Doctors have been uncertain until now whether treating asthma with inhaled steroids actually saves lives.

But the question of estrogen's effects on breast cancer risk was uncertain until now, when the women had been followed for seven years.

The relationship with the parathyroid gland and the parathyroid hormone level was still uncertain until now.

We always had our sneaking suspicions that Martha Stewart runs a tight ship, but just how tight was uncertain... until now.

Despite the fact that fruit flies have been intensively studied in genetics research for almost a century, the methods of choosing a partner have remained uncertain in Drosophila melanogaster – until now.

Thus, their real contribution is until now uncertain.

Director of World Cancer Research Fund UK, Amanda McLean, said: "Until now we were uncertain about the amount of alcohol likely to lead to liver cancer.

Until now it is uncertain to what extent this simplification affects the predicted performance of the equipment, as literature on this topic is scarce.

Mr. Shala argued that, until now, Kosovo's uncertain status prevented it from having some of the tools of a functioning economy, from bar codes for supermarket products to access to international railway networks.

In O. affinis, cyclotides are produced in levels as high as 1 - 2 grams per kg wet weight [ 38], but until now it was uncertain whether this high protein expression correlated with highly abundant mRNA at the level of transcription.

Until now, it has remained uncertain as to whether a small fraction of cells within the HSC pool remain mitotically quiescent for extended periods of time.