Blood sample test tube laboratory gloved hand holding red liquid for medical and clinical analysis, diagnostics and healthcare sterile environment

Mature Asian male scientist working in medical laboratory. Professional researcher examining test tube with blood sample for analysis. Healthcare, scientific research and pharmaceutical development

Blood sample in a test tube with an infectious warning sign, symbolizing critical medical diagnostics, disease transmission risks, and essential laboratory safety protocols in healthcare

Lab worker puts sample of urine into test-tube using pipette. Medical specialist works in modern laboratory against microscope. Medical analysis

Urine samples for testing Casts in the laboratory, urine sample in test tube

Doctor taking test tube with liquids, test with urine, Scientist doctor looking at sample in test tube. Laboratory analysis