The phrase "assurance file" is correct and usable in written English.
It can be used in contexts related to documentation or records that provide guarantees or confirmations, often in business or technical settings.
Example: "Before we proceed with the project, please ensure that the assurance file is complete and submitted for review."
Alternatives: "guarantee document" or "confirmation file."
Use of human subject data in this study was approved by the Special Study Institutional Review Board and Clinical Center Institutional Review Board of the National Cancer Institute, in accordance with an assurance filed with and approved by the Department of Health and Human Services.
The Foundation has an approved assurance filed with the Office of Laboratory Animal Welfare, as required by the Guide, no.
This retrospective study was approved by The University of Texas MD Anderson Cancer Center MDACC Institutional Review Boardrd in accordance with an assurance filed with, and approved by the Department of Health and Human Services.
The study was approved by the review board of each participating institution and in accordance with an assurance filed with and approved by the U.S. Department of Health and Human Services.
The study was approved by the review board of each participating institution and in accord with an assurance filed with and approved by the U.S. Department of Health and Human Services.
The study was conducted at participating centers with the approval of respective Institutional Review Boards according to an assurance filed and approved by the U.S. Department of Health and Human Services.
The study was approved by the Institutional Review Board IRBB) at Memorial Sloan-Kettering Cancer Center in accordance with an assurance filed with and approved by the Department of Health and Human Services.
Human investigations were performed after ethical approval by a human investigations committee and in accordance with an assurance filed with and approved by the Department of Health and Human Services.
This prospective study was performed with the approval of the Institutional Review Board of the Dana Farber Cancer Institute and in accordance with an assurance filed with and approved by the US Department of Health and Human Services.
Patients with histologically confirmed LAPC were treated at Johns Hopkins University, Stanford University, or Memorial Sloan-Kettering Cafter Center after Insitutional Review Board IRBB) approval and in accordance with an assurance filed with and approved by the US Department of Health and Human Services.
