"further studies required" is correct and usable in written English.
You could use it in a sentence like, "The impact of the new policy on education is unknown, so further studies are required."
Those kinds of materials have structural disadvantage related with access of reactant because active metal sites were not exposed in the catalyst surface, and further studies required to compliment low ORR activities.
A combination of QFT-IT and TST offers a sensitivity gain, with further studies required to show whether there is an associated significant specificity loss.
Without this level of experimental "tractability", further studies required for target validation are impossible.
Further studies required to verify the association between P268S and susceptibility to sporadic Parkinson's disease in large sample size, and explore the NOD2 functions involved in neurodegenerative diseases.
Two further studies required protocol amendments in light of dose-limiting toxicities associated with olaparib in combination with chemotherapy - in particular, myelosuppression [ 8, 38].
At present, there is no evidence of an association between 5-HTTLPR and discontinuation from SSRI treatment in a European population with further studies required to investigate its effects in different populations.
Further study requires more precise measures of conventional risk factors and identification of novel risk factors.
Further studies are required to understand the mechanisms driving this upregulation and the associated clinical implications.
Further studies are required to assess the difference between those two different experimental settings.
