Sentence examples for but more rigorous studies from inspiring English sources
But more rigorous studies of part-time work did not find an impact from the A.C.A.
But more rigorous studies that compared people who took specific vitamins with those who took placebos have come up short.
Joyce Klein, the program's director, said the surveys had limitations but more rigorous studies that included randomized control groups would be prohibitively expensive.
Some studies suggest that the vitamin can help prevent cancer, cataracts and gallbladder disease, but more rigorous studies are needed to establish a link.
This review suggests that rural residents may indeed hold distinct views on how to define health, but more rigorous studies are needed to confirm these findings.
Some small studies show promising differentials in mortality and other outcomes between intervention and control groups, but larger, more rigorous studies are needed to determine the impact of amnioinfusion on these outcomes.
Hudson and Aranda 21 showed that support programmes for family carers of patients with terminal illness can improve carer preparedness, competence, psychological well-being and reduce unmet needs, but concluded more rigorous studies are needed.
More rigorous studies have challenged the aluminum hypothesis.
More rigorous studies have allowed clinicians to identify autism in children of younger and younger ages.
