1. VALIDATED LC-MS/MS METHOD FOR THE CONCOMITANT DETERMINATION OF AMOXICILLIN AND CLAVULANIC ACID FROM HUMAN PLASMA. Authors: RÓBERT TŐTŐS, LÁSZLÓ CSABA BENCZE, MONICA IOANA TOŞA, FLORIN-DAN IRIMIE, CSABA PAIZS, JÓZSEF BALÁZSI.2. VALIDATED LC-MS/MS METHOD FOR THE DETERMINATION OF THE NONSTEROIDAL ANTI-INFLAMMATORY DRUG (NSAID) DICLOFENAC FROM HUMAN PLASMA. Authors: JÓZSEF BALÁZSI, RÓBERT TŐTŐS.3. VALIDATED LC-MS/MS METHOD FOR THE DETERMINATION OF THE MUSCARINIC RECEPTOR ANTAGONIST (MRA) SOLIFENACIN FROM HUMAN PLASMA. Authors: RÓBERT TŐTŐS, JÓZSEF BALÁZSI.4. VALIDATED LC-MS/MS METHOD FOR THE DETERMINATION OF TADALAFIL – A COMPETITIVE PHOSPHODIESTERASE 5 INHIBITOR (PDE5) – FROM HUMAN PLASMA. Authors: RÓBERT TŐTŐS, JÓZSEF BALÁZSI.5. SYNTHESIS OF Pt(II)-COMPLEXES WITH SYMMETRICAL AND UNSYMMETRICAL GLYOXIMES, THEIR PHYSICAL-CHEMICAL AND BIOLOGICAL STUDY. Authors: CSABA VÁRHELYI JR., ROLAND SZALAY, GYÖRGY POKOL, JÁNOS MADARÁSZ, LAURA MARINCAS, RALUCA-ANCA MEREU, JUDITH MIHÁLY, JUDIT PAPP, MELINDA SIMON-VÁRHELYI, RÓBERT TŐTŐS, MARIA TOMOAIA-COTISEL.