'stringent proof' is correct and usable in written English.
It is typically used to refer to a high level of proof or evidence required in order to prove something or in order to be sure that something is true. For example, "The police needed stringent proof to link the suspect to the crime before making an arrest."
This requires a stringent proof that these new vehicles will ensure the safety of driver, occupants.
Stringent proof will be required for allowing the sale of ivory that is one hundred years old or older.
It is noteworthy that the bivalent genes profiles of the iPSC lines described to contribute to viable mice through tetraploid complementation assay (the most stringent proof of pluripotency available so far, GSE16925 and GSE17004) have the highest correlation coefficients when compared with the ESC lines.
Although only Olympus flexible endoscopes were evaluated in this study it does provide stringent proof of concept for the cleaning phase of the ECR complete reprocessing cycle (cleaning and HLD).
While it is only logical for U.S. and Canadian authorities to begin demanding more stringent proof that such packaging has been purged of invasive insects, Todgham Cherniak insists it makes sense for the Chinese to appeal to a third-party organization like the IPPC for that proof.
However, as shown above, using the stringent proof-of-vaccination via card to determine outcome did not bias our results significantly if infants with maternal recall of vaccine receipt were also included as fully immunized.
This approach, however, requires stringent experimental proof of the stability of the respective genotype throughout the process of reprogramming, cell-line establishment and differentiation.
It goes to mitigating hazard, not vulnerability". Experts are reluctant to say that even the most stringent fire proofing would have saved Coffey Park, particularly in light of reports of modern fire-resistant homes and even big-box stores being destroyed in the Tubbs fire.
If they applied the same stringent standards of proof for protesters and other political dissidents, Egyptian jails would be less crowded.
But just a few weeks later, he joined the list of Cornwall NHS, which had less stringent rules on proof of language skills and did not demand doctors commit themselves to working in its area.
The tobacco industry perfected this approach in the 1970s, demanding ever-more stringent levels of proof that smoking caused cancer in order to delay government regulation of their products.
