Despite the evidence supporting that EAdi is a reliable measure of respiratory drive, this research area is vast and requires further advancement.
However their culture, expansion and differentiation requires further advancement in order to start to reliably and safely realise the promise of this unique group of stem cells.
The case studies presented have contributed to advancement of the technology and to the identification of areas that require further understanding.
Although a significant advancement has been made for the development of highly efficient g-C3N4-based photocatalysts, there are still considerable problems that require further investigations, including the catalytic rate and design.
"These alternatives require further study".
Two observations may require further comments.
This would, however, require further analysis.
A number of issues require further discussion.
However, this will require further investigation.
Clearly these hypotheses require further exploration.
