MeSH: DNA, Circular-isolation & purification MeSH: diethylnitrosamin MeSH: Thiotrichaceae-pathogenicity MeSH: Hepatitis B Antigens-analysis MeSH: Heat Stroke-classification MeSH: Ultrasonic Surgical Procedures-instrumentation MeSH: Premarital Examinations-classification MeSH: extubace-metody MeSH: Chronic Pain-diagnostic imaging