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  1. No Access

    Article

    Magnetic fields alter strong-field ionization

    When a strong laser pulse induces the ionization of an atom, momentum conservation dictates that the absorbed photons transfer their momentum to the electron and its parent ion. The sharing of the photon momen...

    A. Hartung, S. Eckart, S. Brennecke, J. Rist, D. Trabert, K. Fehre… in Nature Physics (2019)

  2. No Access

    Article

    Prospective randomized clinical study in general surgery comparing a new low molecular weight heparin with unfractionated heparin in the prevention of thrombosis

    A prospective, randomized, controlled clinical trial was performed comparing the antithrombotic efficacy of the low molecular weight heparin LMWH 21–23, (Braun) with an unfractionated heparin in elective gener...

    J. Limmer, D. Ellbrück, H. Müller, E. Eisele, J. Rist… in The clinical investigator (1994)