The phrase "of unknown extent" is grammatically correct and can be used in written English.
It is typically used to describe something whose size, amount, or range is not known or cannot be determined. Example: The damage caused by the hurricane was of unknown extent, as the full impact of the storm was still being assessed.
Consequently, Limerick will bring in a couple of young Africans from the Academy every season in exchange for a partnership of unknown extent with the English club.
A brief famine of unknown extent occurred, perhaps caused by this financial crisis, but Suetonius claims it resulted from Caligula's seizure of public carriages; according to Seneca, grain imports were disturbed because Caligula repurposed grain boats for a pontoon bridge.
A conceptual advantage of the Luminex™ approach is the omission of any amplification step, which might introduce a bias of unknown extent which is difficult to control.
Due to unknown extent of damage from a MS event, the shear resistance of the concrete and spirals were neglected, and the repair jacket was designed to resist the shear demand.
This was probably the main reason for the somewhat higher proportion of cases with unknown extent of disease observed among women compared with men.
As shown in Table 3, the percentage of cases with unknown extent of disease was by far the largest in the 75 84 years age group.
Among cased diagnosed alive, the proportion of cases with unknown extent of disease was higher in women for all sites except mouth and pharynx, and exceeded 5% for cancers of pancreas, lung, stomach and bladder (only pancreas in men).
There are major limitations of using 25(OH D as a status biomarker, including the unknown extent of storage of vitamin D, potential dangers of its accumulation in adipose tissue, regulation of its mobilization from these stores, and the consequences of the saturation of this storage.
22 The current data raise the possibility that confounding and lack of correction for time of treatments to some unknown extent may explain the risk of cancers associated with GLP-1-based therapies.
The placebo effect and confirmation bias has allowed alternative medicine to flourish, the unknown extent of the capabilities of the brain is exploited by psychics and the like, and poorly understood malfunctions in the brain may have potentially altered the course of human history.
The combination of a predictable high energy demand and the unknown extent of fouling and scaling have left ED CR at the conceptual stage of development.
