Vachatimanont, Sira Valkusz, Zsuzsanna Vanícek, Jirí Varga, József Vasas, Szilvia Vavlukis, M. Velichko, Sergey A. Velichko, Svetlana A. Veprekova, Lenka Vereb, Marika Vesely, Jaroslav Vesnina, Janeta V. Vicheva, Snejinka, Department of clinical pathology, Oncological Dispensary`` Marko Markov``, Varna Vidergar-Kralj, Barbara Vieira, Tiago S. Vijay, Maneesh Kumar Vinjamuri, Sobhan, Nuclear Medicine Department, Royal Liverpool University Hospital, Liverpool, UK Vinjamuri, Sobhan (United Kingdom) Vitobello, Domenico Vjagova, Diyana, Clinical Laboratory ``Status``, Varna Vlajković, Marina, Department of Nuclear Medicine, Clinical Center, Niš, Yugoslavia Vlajković, Marina Vlajković, Marina, Department of Nuclear Medicine, Clinical Centre Niš, Serbia and Montenegro Vlajković, Marina, Center for Nuclear Medicine Clinical Center Niš, Faculty of Medicine University of Niš Vlcek, Petr