Evaluation of anti-Xa activity after injection of a heparin lock for dialysis catheters in intensive care: A prospective observational study. Issue 188 (April 2020) - Bovet, Julien; Soudry-Faure, Agnès; Merdji, Hamid; Ksiazek, Eléa; Quenot, Jean-Pierre; Meziani, Ferhat; Cransac, Amélie; Helms, Julie