The phrase "a panel of external" is correct and usable in written English.
It can be used when referring to a group of individuals from outside an organization or institution who are brought together for evaluation, assessment, or consultation purposes.
Example: "The project will be reviewed by a panel of external experts to ensure unbiased feedback."
Alternatives: "a group of outside" or "an external committee".
Their recommendations are peer-reviewed by a panel of external scientists and put out for public comments before the agency makes a final decision.
Each will be graded by a panel of external reviewers scientists who volunteer to rate the merit of the ideas presented by their peers.
To facilitate and provide perspective, a panel of external experts held a moderated discussion with the attendees on each theme, starting with several seed questions from the FDA.
The latest worries are voiced by a panel of external reviewers appointed by the Google-owned AI company to report on its operations after its initial data-sharing arrangements with the U.K.'s National Health Service (NHS) ran into a major public controversy in 2016.
And a panel of external reviewers engaged by DeepMind with the aim of boosting trust warned in their annual review earlier this year of the risk of it "exert[ing] excessive monopoly power" as a result of a data access and streaming infrastructure bundled with the Streams app.
It is an intense process with commitment by the entire staff as well as a panel of external jurors.
Quality review of the inception report and the final report drafts by a panel of 5 external experts drawn from major WASH organizations, all of which are familiar with CATS and with evaluation methods.
Here we extended those observations, using a panel of anti-HPV16 L2 "external loop" targeting antibodies to determine if the neutralization of other HPV types depended on the time of virus harvest.
To compare the potential of the L2 external loop in the evolutionarily related HPV types HPV16 and HPV31 as a neutralization and cross-neutralization target, a panel of anti-HPV16 L2 external loop-targeting antibodies that recognize epitopes within amino acids 14 144 were obtained and utilized in RT-qPCR-based neutralization assays [7], [8], [10].
Input on iterative versions was solicited from a panel of reviewers from industry and external stakeholders.
Afterwards, a second draft was prepared, and input solicited from a panel of reviewers from industry and external stakeholders.
