"sufficient quality assurance" is a correct and usable phrase in written English.
You can use it to refer to the standards of assurance that are necessary to ensure that a product or service meets a certain level of quality. For example: "The company has been successful because it has maintained a high standard of quality control through sufficient quality assurance."
Both the implementing partners and UNICEF have been lax in their duties to provide a sufficient measure of quality assurance.
The study design is rigorous and innovative, with large scale, sufficient power, cluster randomization, objective outcomes assessment, independent pre- and post- random samples of target population, blinded evaluation staff, separation of intervention team and evaluation team, sufficient quality control and assurance.
Although our goal is to develop and distribute useful animal models and data to the PD research community as quickly as possible, there must be a balance between rapid dissemination of the tools and sufficient characterization to ensure quality assurance of the tools.
We sought data sources with sufficient documentation, standard collection procedures, and quality assurance.
The experience with ACRIN has elucidated the unique requirements that must be fulfilled by imaging trials if they are to be successful, particularly in such areas as trials design, definition of technologies and their findings, quality assurance, and ensuring sufficient accrual.
As a consequence, colposcopy requires a period of apprenticeship, continuous formal training, sufficient workload and, more important, auditing and quality assurance (QA) measures.
20 A phantom study was carried out in accord with previously published recommendations and guidelines 21– 23 to establish the necessary and sufficient conditions of PET data acquisition for quality assurance prior to clinical study in all institutions.
Similarly, there is a good description of quality assurance procedures that would be sufficient to guide a radiographer on her first unsupervised quality check.
In 66 of these patients the quality of isolated RNA, based on quality assurance described previously [ 13], was sufficient for determining c-MYC mRNA expression.
For such highly dependable applications, code inspection and testing, the predominant quality assurance techniques used in practice today, are, in general, not sufficient to demonstrate the functional correctness and safety of an application.
