Matthias Lerch

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BACKGROUND Iodinated contrast media cause both immediate and nonimmediate hypersensitivity reactions. The aim of this prospective study was to determine the specificity and sensitivity of skin tests in patients who have experienced such reactions. METHODS Skin prick, intradermal and patch tests with a series of contrast media were conducted in 220(More)
In recent years, various uncemented proximal metaphyseal hip stems were introduced for younger patients as a bone preserving strategy. Initial osteodensitometric analyses of the surrounding bone of short stems indicate an increase of bone mass with secondary bone ingrowth fixation as a predictor of long-term survival of these types of implants. We report(More)
In 68 children without brain-disease, 3 months to 8 years of age, auditory non-target event-related potentials have been elicited. A 500 Hz-tone of 500 ms duration served as frequent stimulus, while a seldom (20%) and irregularly offered 2000 Hz-tone of the same duration produced the event-related potentials. Comparison between the four kinds of(More)
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