The phrase "several gaps remain" is grammatically correct and can be used in written English.
It means that there are still a few things that need to be completed or addressed. Example: Despite our efforts, several gaps remain in our understanding of climate change and its impact on the environment.
Although existing studies elucidate the role that the health care setting may play in connecting older adults with exercise programs, several gaps remain.
Despite several evaluations of these policies in Rwanda, 4– 6, 10, 11 several gaps remain.
Despite growing interest in the effects of workflow interruptions in pediatric care, several gaps remain in the evidence base.
Although several gaps remain, the changes associated with implementation of the DQSA over the next decade provide an opportunity to take advantage of these technologies.
However, several gaps remain in our understanding of the processes whereby patients engage in decision making, and of the ways in which some features of decision aids might interact with those decision-making processes [ 1- 4].
Most of Illinois 22 has been expanded to four lanes, but there are several gaps remaining which need to be addressed.
However, several theoretical gaps remain to be addressed.
Several small gaps remain in the M_zebra_UMD1 assembly, as can be seen in Fig. 4b and d.
Several knowledge gaps remain: follow-up research would be especially valuable in helping to better understand how the functioning of coordination structures plays out in the effective coordination of health interventions at the programmatic level, including coordinated service delivery.
Nevertheless, several significant research gaps remain.
However, several important data gaps remain that limit our understanding of the epidemiology of H5N1 in humans.
