Diagnosis: In the Lab: Too Many Defective Tests

Matter-of-factly the doctor says:

"We'll send this to the lab and have the answer for you in a couple of days."

Just as matter-of-factly the patient imagines that his blood or urine sample will go to a laboratory filled with shiny, sterile stainless steel and glassware, to be worked over by skilled technicians in white coats. He has no doubt about the accuracy of the results, because his doctor shows none. That blind faith is unjustified, a succession of medical experts told the Senate antitrust subcommittee last week. In fact, Dr. David J....

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