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    Article

    Sinusoidal forearm tracking with delayed visual feedback I. Dependence of the tracking error on the relative delay

    During forearm tracking of a sinusoidally moving target matching of proprioceptive and visual feedback was altered by introducing different visual delays. In five normal subjects seven target frequencies were ...

    U. Langenberg, H. Hefter, K. R. Kessler, J. D. Cooke in Experimental Brain Research (1998)

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    Article

    Macrophages overcome mycoplasma infections of cells in vitro

    Mycoplasmal infections still cause severe problems in cell cultures, particularly permanent lines, and although rapid detection is possible1,2 the only methods proposed for the elimination of the mycoplasma are e...

    L. Schimmelpfeng, U. Langenberg, J. Hinrich Peters in Nature (1980)