National Institute of Allergy and Infectious Diseases, NIH Volume 2: Impact on Global Health Georgiev Vassil St. Heftet / 2016 / Engelsk
National Institute of Allergy and Infectious Diseases, NIH Volume 1: Frontiers in Research Georgiev Vassil St. Heftet / 2010 / Engelsk
National Institute of Allergy and Infectious Diseases, NIH Volume 1: Frontiers in Research Georgiev Vassil St. Innbundet / 2008 / Engelsk
