| COVID-19: Clinical and pathophysiological features and laboratory diagnosis | DİLDAR KONUKOĞLU | 47–51 |
| Intravenous cannula can increase serum creatine kinaseMB activity | Muammer YÜCEL | 52–55 |
| Evaluation of analytical performance of two iPTH immunoassay methods in hemodialysis patients | ÖZGÜR MEHMET YİS,Guler BUGDAYCİ,Mine Busra PEHLİVAN,Neslihan YÜCE,Rabia Nur YILDIZ,Merve BASOL | 56–61 |
| The most common preanalytic problem of sweat testing: Insufficient sweat volume | Ayşegül ÖZGENÇ,Nesibe Esra YAŞAR,Mine KUCUR,İbrahim Murat BOLAYIRLI,DİLDAR KONUKOĞLU | 62–66 |
| Evaluation of serum levels of irisin and nesfatin-1 in patients with migraine without aura | Turan AKDAĞ,FARUK ÖMER ODABAŞ | 67–72 |
| Multiplexed tandem mass spectrometry-based screening for five lysosomal storage disorders: A pilot study | Manjunath SUPRIYA,Rita CHRISTOPHER,Chandra SADANANDAVALLI RETNASWAMI | 73–81 |
| Reference interval with age-gender variation for 4 liver function parameters in an adult segment of the Indian population | Abhaya INDRAYAN,Mohini BHARGAVA,Shubham SHUKLA | 82–90 |
| Serum irisin levels are correlated with insulin resistance in women with gestational diabetes mellitus | Nilüfer ÇELİK | 91–95 |
| Change in vitamin B12 level in breast milk according to the week of delivery in Turkish women | Fatih YEŞİLDAL,Esin KOÇ,Hakan ÖZTÜRK,Taner ÖZGÜRTAŞ | 96–100 |
| Evaluation of serum proinflammatory cytokines, oxidative stress, and other biochemical markers in chronic viral hepatitis B and C infections | Nihayet BAYRAKTAR,Mehmet BAYRAKTAR | 101–105 |
| Digitalization and artificial intelligence in laboratory medicine | Ali Rıza ŞİŞMAN,Banu ISBİLEN BASOK | 106–110 |
| Working plan update for medical biochemistry laboratories during the COVID-19 pandemic | Mustafa ŞAHİN | 111–112 |
| Internal QC Problems | Fatih BAKIR |