25th Anniversary Historical Overview.- Progress in Oxygen Transport Research.- NIRS and NADH.- NIRS Techniques: Brain.- Neuronal Activation.- Arisztid G. B. Kovách Memorial Lecture.- Shock and Oxygen Radicals.- Protection from Injury: Clinical and Experimental Aspects.- Genetic Models: Hypoxia.- Angiogenesis in Hypoxia, Ischemia, and Development.- Oxygen Tension in the Mierocirculation: What Does the Phosphorescence Technique Tell Us?.- Angioarchitecture and Oxygen Diffusion.- Hyperbaric Medicine.- Physiological Mechanisms of Oxygen Sensing.- Myocardial Oxygenation.- Physiological Fluctuations in Brain Tissue pO2 and Perfusion: From Electrodes to MRI.- Tumor Oxygenation.- Oxygen Carriers and Hemorrheology.- Anticoagulation.