Eric Walker added University of Cologne and Mayoralty of Henriette Reker and Cologne - Wikipedia and Cologne cathedral to switch off lights in protest at anti-Muslim march | Germany | The Guardian to Cologne, and added Cologne to North Rhine-Westphalia and Cities in Germany

Eric Walker added Rapid detection of NDM, KPC and OXA-48 carbapenemases directly from positive blood cultures using a new multiplex immunochromatographic assay and New test procedure can rev up diagnosis of multi-resistant hospital pathogens - The Indian Wire to 2018-09 University of Cologne study of a multiplex immunochromatographic assay, and added 2018-09 University of Cologne study of a multiplex immunochromatographic assay to University of Cologne

Eric Walker added 2018-09 University of Cologne study of a multiplex immunochromatographic assay to University of Cologne, and added University of Cologne to Cologne and Specific universities

Eric Walker added a number of topics to Specific universities and colleges, and added Specific universities and colleges to Higher education