"rigorous quality assurance" is correct and usable in written English.
You can use it when referring to a strict monitoring process of quality control efforts to ensure that goods or services meet specific standards of quality. For example, "Our company employs rigorous quality assurance techniques to guarantee customer satisfaction."
We've had a rigorous quality assurance process – we've looked at planning material of inspectors, the on-site evidence; we look at the evidence after the inspection, and at the report and we've given feedback to inspectors".
Once incorporated in the lab, it is essential that the whole procedure of HPV testing is subject to continuous and rigorous quality assurance to avoid sub-optimal, potentially harmful practices.
While institutions like Asia e University and Wawasan Open University are approved by the Malaysian Qualifications Agency, Mr. Ansary said it could be more difficult to convince people of the quality of online education in countries that lacked rigorous quality assurance mechanisms.
Rigorous quality assurance and clinical governance are being introduced into the private sector emergency care system, but this is not the case within most public health institutions.
CONCLUSIONS: Carefully conducted phase III trials with rigorous quality assurance must employ prospective thermal dosimetry to validate the role of hyperthermia in multi-modality therapy.
Spotted by Stuart Dredge over at Mobile Entertainment, the unofficial Google Wave iPhone app seemingly slipped past Apple's usually and notoriously rigorous quality assurance and trademark compliance team and made its way to the App Store (iTunes link – up to you to decide if this is something you want to pay for).
Before statistical analysis, rigorous genotype quality assurance was performed to ensure accurate binning of alleles.
Regardless of the primary objective, precise, reproducible accurate patient/target set-up and rigorous physics quality assurance are critical to successful IMRT delivery.
At the Annual Conference of Laboratory Scientific Officers in Kakamega in October 2002, data from implementing partners VCT sites were presented that confirmed that lay counsellors who conducted testing were getting a 99.6% level of accuracy according to rigorous external quality assurance [ 40].
For now, he promised that the department would act on Laidlaw's recommendations to ensure all franchises would have a clear timeline, rigorous management and quality assurance, and that more staff would be brought in if necessary.
The air pollution data were subject to rigorous checks for quality assurance.
