Sentence examples for needed to clarify from inspiring English sources

Studies are needed to clarify these suggestions.

Further detailed research is needed to clarify these issues.

More studies are needed to clarify this issue.

Larger prospective studies are needed to clarify these issues.

Longitudinal studies are needed to clarify this issue.

Further studies are needed to clarify these sequential events.

Further investigation is needed to clarify the details here.

Thus, further studies are needed to clarify this point.

Further investigation is needed to clarify these findings.

Further studies are, nevertheless, needed to clarify these possibilities.

Further investigation is needed to clarify this possibility.