The phrase "approval of the guide" is correct and usable in written English.
It can be used when referring to the act of accepting or endorsing a guide, such as a manual, set of instructions, or a person providing direction.
Example: "The project cannot proceed until we receive the approval of the guide to ensure all protocols are followed."
Alternatives: "endorsement of the guide" or "consent for the guide".
All procedures were conducted under the approval of the University of Louisville IACUC in accordance with the NIH Guide for the Care and Use of Laboratory Animals (DHHS publication No. [NIH] 85-23, rev. 1996) as previously described [ 9].
All procedures were conducted with the approval of the Institutional Care and Use Committee at Arizona State University and in accordance with the principles of the Guide for the Care and Use of Laboratory Animals (National Research Council).
All animals were maintained according to the Guide for Care and Use of Laboratory Animals, with the approval of the Institutional Ethics Committee of the CACMS.
All experiments were carried out after approval of the Animal Ethical Committee of the University of Groningen for the use of experimental animals and conform to the Guide for Care and Use of Laboratory Animals.
All animals were treated according to the Guide for the Care and Use of Laboratory Animals and with the approval of the Institutional Ethics Committee of CACMS on animal experiments.
Experiments were performed in accordance with the Guide for the Care and Use of Laboratory Animals (The Institute of Laboratory Animal Resources, 1996) and with approval of the University of Bristol and the British Home Office (Licence: 30/2811).
The dates I provide are general guides for popularization and common usage, not establishment or approval of the tech.
All animal procedures were performed with the approval of the Institutional Animal Care and Use Committee at Oregon Health & Science University (Portland, Oregon) and conform to the guidelines described in the National Institutes of Health publication "Guide for the Care and Use of Laboratory Animals".
All animal experiments were undertaken in accordance with the National Institute of Health's "Guide for the Care and Use of Laboratory Animals", with the approval of the Scientific Investigation Board of Second Military Medical University.
