Kowalczyk, MichaĆ J Expression of selected human endogenous retroviral sequences in skin and peripheral blood mononuclear cells in morphea. [electronic resource] - Archives of medical science : AMS Nov 2012 - 819-25 p. digital Publication Type: Journal Article ISSN: 1896-9151 Standard No.: 10.5114/aoms.2012.30954 doi