A Common HLA-DPA1 Variant Is Associated with Hepatitis B Virus Infection but Fails to Distinguish Active from Inactive Caucasian Carriers. - Vermehren, Johannes; Lötsch, Jörn; Susser, Simone; Wicker, Sabine; Berger, Annemarie; Zeuzem, Stefan; Sarrazin, Christoph; Doehring, Alexandra (PLoS ONE, 2012)