The phrase "also underscore that the" is correct and usable in written English.
It can be used when emphasizing or highlighting a particular point or idea in a discussion or argument.
Example: "The findings of the study also underscore that the importance of early intervention cannot be overstated."
Alternatives: "also emphasize that the" or "also highlight that the".
Our observations also underscore that the p53 pathway is not engaged by low levels of oncogene activity that are sufficient for early stages of lung tumour development.
Our results also underscore that the targeting and transport of the LH receptor to plasma membrane require both domains, whereas each domain is independently sufficient for folding.
These results also underscore that the primary outcome for double heterozygous patients may not necessarily cause a worsening of the disease phenotype particularly in cases where the genotype produces an activating and a deactivating mutant myofilament protein.
We also underscore that the QoL and overall health of individuals who have been successfully treated for chronic GvHD are not different from those with no history of chronic GvHD.
I would also underscore that this meeting was done with the cooperation of the Egyptian authorities.
But the findings also underscore that these new cells are indiscriminate and don't care what you learn.
The report also underscored that the difficulties in achieving a secure retirement is a national problem, regardless of gender.
But Mr. Rumsfeld also underscored that the Marine Corps base was meant to be neither permanent nor the leading edge of a huge wave of ground troops.
The attacks also underscored that the raw passions and anger fed by Iraq's deep ethnic, regional and sectarian divides can still instantly ignite.
But in doing so, McConnell's letter also underscored that the full scope of the NSA's surveillance program under Bush's order has not been revealed.
