The criteria must be scientifically valid, evidence-based, and based on studies that are published and reviewable by the stakeholder.
Experiments were based on studies that have shown that the biodurability of fibers is one of the essential factors of the carcinogenic potency of these materials.
"We're projecting into the future based on studies that are scarce and projects that haven't begun yet," Dr. Grumbine said.
I fear for my patients when I read that the medications I prescribe are released for public use based on studies that may have been biased or dishonest research.
Another drawback of the study is that its conclusions are based on studies that included only two antidepressants when there are 25 or so on the market.
Concerns about BPA are based on studies that have found harmful effects in animals, and on evidence that the chemical seeps into food and baby formula, and that nearly everyone is exposed to it, starting in the womb.
The claim that antidepressants do nothing for this common condition — that they are merely placebos with side effects — is based on studies that have probably received more ink than they deserve.
Zetia, also known as ezetimibe, was approved by the Food and Drug Administration in 2002 based on studies that showed that it lowered bad cholesterol 15 to 20 percent.
Concerns about BPA are based on studies that have found harmful effects in animals, and on the recognition that the chemical seeps into food and baby formula, and that nearly everyone is exposed to it, starting in the womb.
The drug's approval was based on studies that showed it killed bacteria more quickly than a control group taking the standard regimen, but it did not measure whether in the end patients actually fared better on bedaquiline.
The professional society for urologists and some cancer experts have challenged the conclusions, saying they are based on studies that have methodological flaws and that only followed participants for a decade, not enough time, they claim, for a final judgment.
