JOURNAL OF MEDICAL BIOCHEMISTRY / 2017-2 “JOURNAL OF MEDICAL BIOCHEMISTRY”Official Journal of the Serbian Society of Medical Biochemists EDITORIAL BOARDVolume: 36-2 REVIEW ARTICLEGiuseppe Lippi, Laura Chiozza, Camilla Mattiuzzi, Mario PlebaniPATIENT AND SAMPLE IDENTIFICATION. OUT OF THE MAZE? … 107ORIGINAL PAPERCristiano Ialongo, Alessia Francesca Mozzi, Sergio Ber nardiniAN LC-MS ASSAY WITH ISOCRATIC SEPARATION AND ON-LINE SOLID PHASE EXTRACTION TO IMPROVE THE ROUTINE THERAPEUTIC DRUG MONITORING OF BUSULFAN IN PL ASMA … 113Ayfer Çolak, Celalettin Yılmaz, Burak Toprak, Serir AktoğuPROCALCITONIN AND CRP AS BIOMARKERS IN DISCRIMINATION OF COMMUNITY-ACQUIRED PNEUMONIA AND EXACERBATION OF COPD … 122Milena S. Pandrc, Anđelka Ristić, Vanja Kostovski, Marko Stanković, Vladimir Antić, Jelena Milin-Lazović, Jasmina ĆirićTHE EFFECT OF EARLY SUBSTITUTION OF SUBCLINIC AL HYPOTHYROIDISM ON BIOCHEMICAL BLOOD PARAMETERS AND THE QUALITY OF LIFE … 127Bosa Mirjanić-Azarić, Sanja Avram, Tanja Stojaković-Jelisavac, Darja Stojanović, Mira Petkovic, Nataša Bogavac-Stanojević, Svetlana Ignjatović, Marina StojanovDIRECT ESTIMATION OF REFERENCE INTERVALS FOR THYROID PARAMETERS IN THE REPUBLIC OF SRPSKA … 137Mirsad Panjeta, Ismet Tahirović, Emin Sofić, Jozo Ćorić, Amela DerviševićINTERPRETATION OF ERYTHROPOIETIN AND HAEMOGLOBIN LEVELS IN PATIENTS WITH VARIOUS STAGES OF CHRONIC KIDNEY DISEASE … 145Velibor Čabarkapa, Branislava Ilinčić, Mirjana Đerić, Isidora Radosavkić, Mirko Šipovac, Jan Sudji, Veljko PetrovićSCREENING FOR CHRONIC KIDNEY DISEASE IN ADULT MALES IN VOJVODINA: A CROSS-SECTIONAL STUDY … 153Lidija Tulić, Snežana Vidaković, Ivan Tulić, Marijana Ćurčić, Jelena Stojnić, Katarina JeremićOXIDATIVE STRESS MARKERS IN GNRH AGONIST AND ANTAGONIST PROTOCOLS IN IVF … 163Srdjan Mijatović, Tamara Alempijević, Branislava Stefanović, Vasilije Jeremić, Slobodan Krstić, Nikola Radmanović, Sanja Jovanović, Branislav StefanovićINFLUENCE OF SYRGIC AL TRAUMA ON NITRIC OXIDE AND NITROTYROSINE SERUM LEVELS IN PATIENTS UNDERGOING LAPAROSCOPIC OR CONVENTIONAL CHOLECYSTECTOMY … 171PROFESSIONAL PAPERSnežana Jovičić, Nada Majkić-SinghMEDICAL BIOCHEMISTRY AS SUBDISCIPLINE OF LABORATORY MEDICINE IN SERBIA … 177TECHNICAL REPORTSPROGRAM NAUČNIH, STRUČNIH SKUPOVA I EDUKATIVNIH SEMINARA … 187JOURNAL MEDICAL BIOCHEMISTRY REVIEWERS IN 2016 … 188INSTRUCTIONS FOR AUTHORS … 195 Volume: 36 Belgrade, April – June 2017 Issue: 2JMB 2016; 36 (2): 107–206 © 2017 by SMBS, Belgrade