not proven in a sentence

Examples

1. And the risk of BCG vaccination was theoretical; not proven.
2. Further, controllers say they ASDE has not proven its reliability.
3. Of course, the science of climate change is not proven.
4. This technique has not proven to be very successful though.
5. Antioxidants are " not proven to be of any value.
6. "Sikorsky's is not proven in combat yet, " Ramsey said.
7. The temple, which they claim, this claim is not proven.
8. The existence of a hospital in Kairouan is not proven.
9. Scientists still have not proven if prions are in the bloodstream of those infected.
10. However, this TLD has not proven especially popular to date.