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A specific solid-phase enzyme immunoassay for the detection of as little as 3-4 pg of indole-3-acetic acid (IAA) is described. The assay involves minimal procedural efforts and requires only standard laboratory equipment. Up to 50 samples in triplicate, processed simultaneously, can be assayed and evaluated in 2.5 h. As little as 1 mg oat coleoptile tissue… (More)
Visualization of the cerebral ventricles during radionuclide brain scanning is rarely reported. A case demonstrating the lateral ventricles by brain scanning with 99mCc-stannous glucoheptonate in a patient with lymphoma is presented.
Six episodes of contrast extravasation occurred in 5 patients during intravenous digital subtraction angiography in a period of 9 months. The extravasations were into the mediastinum (3), pericardium (1), and right atrial wall (2). These occurred using a variety of catheters, all the same size (5.0 F--1.67 mm). Three were Katzen catheters, one had a pigtail… (More)
The radiocarpal joint transmits about 80% of the compression forces crossing the wrist. However, primary osteoarthritis of this joint is surprisingly uncommon, suggesting that articular cartilage wear is not sufficient to produce arthritic symptoms. By examining the distal radius, scaphoid, and lunate in aged cadavers, wear patterns were charted and… (More)