Clinical Biochemistry and Laboratory Diagnostics Short Course Day 3 Ms. Ruqia Arif’s lecture on the principles of toxicology, mechanisms of drug toxicity and the clinical importance of monitoring therapeutic drug levels. Real-world case examples highlighted how TDM ensures patient safety and treatment efficacy. Following this, Prof. Dr. Sumera Zaib delivered a comprehensive session on Laboratory Biosafety Protocols and Quality Control & Assurance. She emphasized the significance of biosafety practices in laboratories and the role of quality control systems in achieving reliable diagnostic results.