On a rough picnic table outside the Oregon State Game Commission's checking station on Sauvie Island in the Columbia River last week, scientists busily cut up wild ducks. The doctors took out the livers, lungs, spleens and air sacs of 20 birds for laboratory examination. From another 30 they took blood samples from under the wing, then freed them.
The scientists were disease detectives at work on a medical whodunit that began last month when a physician at the Portland Veterans Administration Hospital phoned the State Board of Health to report "a patient...
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