Sentence examples for many tests are from inspiring English sources
Catlin offered a cautionary note, no matter how many tests are done.
But many test developers argue that trials would be too costly and time-consuming, so many tests are validated by reanalyzing patient data from old trials.
Critics say that many tests are unproven, unnecessary or even "modern-day snake oil," as Senator Gordon H. Smith, Republican of Oregon, said in July when he was chairman of a hearing on home DNA tests.
Many tests are designed to determine the number of erythrocytes and leukocytes in the blood, together with the volume, sedimentation rate, and hemoglobin concentration of the red blood cells (blood count).
For the patient, many tests are invasive and time-consuming with the possible "reward" being bad news, said Dr. Anthony L. Back, an oncologist at the University of Washington School of Medicine who specializes in doctor-patient communication.
As a response, many tests are developed.
Agency officials have said in the past that they were concerned that many tests were being sold before regulators had evaluated their usefulness.
He said a period of "hyper transparency" was required to win back public trust, including the publication of anonymous data every month to show how many tests were being conducted and what they showed.
Stephen Anderson, a spokesman for LabCorp, said the counseling was part of the testing service and that counselors were not compensated based on how many tests were ordered.
Many tests were carried out to optimize the sensing conditions such as addition time and concentration.
