The phrase "additional clarification for" is correct and usable in written English.
You can use it when you want to request or provide more information or details about a specific topic or issue.
Example: "I would appreciate additional clarification for the project requirements to ensure I understand them fully."
Alternatives: "further explanation regarding" or "more details about".
For additional clarification of the phasing of expansion of the TSP gene family in the chordate and vertebrate lineages, the genome sequences of a jawless vertebrate (i.e., lamphrey or hagfish) and a cephalochordate are needed.
Additional clarification of the crosstalk mechanisms responsible for the effects of obesity on postmenopausal breast cancer progression will be the goal of future studies.
Competing priorities related to new funding negotiations, the closing and opening of grants, the need for additional clarification on role and function across partners, and instituting policies for cost allocation and expenditure had slowed capacity-building activities.
We're waiting for additional clarification on this from the company, and will update when we hear back.
Predicates are at a higher level of abstraction and can tolerate interpretations under the label with readers adding a note for additional clarification: agreeing a vocabulary (pseudo-ontology) more readily enables mappings to be compared and interchanged, and also helps the provision of computer supports.
The study authors were contacted directly for additional clarification if data or information was missing.
The clarifications have in some cases revealed new concepts, but also new problems and need for additional clarification.
All five patients took considerably more time in answering this question and four out of five patients asked for additional clarification regarding the meaning of the question.
Researchers or research assistants explained how to complete the questionnaires and were available for additional clarification during completion of the questionnaire.
Thus the need for an additional clarification.
