The phrase "adequate studies" is correct and usable in written English.
It can be used when referring to research or investigations that are sufficient in quality or quantity to support a conclusion or decision.
Example: "The findings of the adequate studies conducted over the past decade provide strong evidence for the proposed theory."
Alternatives: "sufficient research" or "appropriate studies".
In general, Professor Patterson noted, parenthood for gay and lesbian couples is a conscious choice, but there are as yet no adequate studies measuring stress levels in their children.
However, adequate studies to prove this benefit for subclavian/axillary vein catheterization are lacking [2].
In order to better understand these changes on the system dynamic behavior, adequate studies need to be conducted to assess the possible negative intermittency impact and solutions.
The effect of antibacterial nanoparticles on bacteria is remarkable, but studies on the interactions of these particles with plasmids do not search or there are no adequate studies.
Adequate studies are not performed on many of these issues which are primarily beyond the current interests of the pharmaceutical industry.
That by failing to consider consumer complaints or perform adequate studies on the state of the industry, federal protections, and effects of the rules, the FCC's order is "arbitrary and capricious" and thus cannot be considered to have been lawfully enacted.
"Adequate study has not been done".
PAGE A12 Alarm Over Transplants The use of healthy people as living liver donors is expanding too quickly and without adequate study, a leading medical journal says.
Still, critics of the 510(k) system point to the sometimes disastrous consequences of letting a device be widely used without adequate study.
"The evidence supporting claims in favor of nonpartisan elections is inconclusive at best," the Brennan Center for Justice at New York University School of Law told the commission last week, opposing a vote now, "in light of the unanswered substantive questions and the absence of adequate study".
A20 Caution on Transplants Urged The use of healthy people as organ donors for adults who need livers is expanding too quickly and without adequate study, a medical ethicist and two liver surgeons wrote in the New England Journal of Medicine.
