pid type title authors mentors source_title published_date url doi isbn issn eissn kbcsm:146 "journal article" "Comparison of Lithium Concentration in Serum, Plasma and Erythrocytes" "Grizelj, Mateja; Crnković, Danijel; Kostanjšak, Lidija; Vrkić, Nada; Karlović, Dalibor"