The phrase "until further investigation" is correct and usable in written English.
You can use this phrase to describe something that will remain in its current state until a further investigation on the subject has been completed. For example, "The school board has decided to keep the playground closed until further investigation into the safety of the equipment can be conducted."
Military officials said they were holding off on details until further investigation.
The DuPont Company's plan to purchase ChemFirst Inc., a specialty chemical maker, for $408 million was suspended until further investigation of an explosion at a ChemFirst plant in Mississippi, the companies said yesterday.
The obtained alginate nanoparticles were filtrated with a 0.22-μm membrane filter and lyophilized or kept in a refrigerator until further investigation.
Sera were prepared conventionally and stocked at -80°C until further investigation.
28 The conference majority vote was to omit these devices from the toolbox until further investigation.
The muscle samples are immediately mounted with Tissue-Tek and frozen in isopentane cooled with liquid nitrogen, and stored at -80°C until further investigation.
It is impossible to say until further investigations have taken place, but it may have been a coincidence.
It could also be camping sites or hotels dumping rubbish, although until further investigations are done none of us can comment intelligently on what the trigger was".
However, impedance data were rather low and showed high variability, indicating that this method may not be sufficient at this stage to check skin integrity until further investigations.
Moreover, given that (to the best of our knowledge) there are no other reports in the literature that have used frequency domain measurements to examine the intra-session stability of the FFR to pure tones or more complex sounds, we cannot fully judge the novelty of our results until further investigations have been made.
All extracts were kept at 4°C until further investigations.
