Article 1 T lymphocyte 1 body temperature 1 cell activation 1 cell structure 1 cell viability 1 cold exposure 1 controlled study 1 core temperature 1 cryotherapy 1 exercise 1 fatigue 1 gamma interferon 1 human 1 human cell 1 immune response 1 in vitro study 1 in vivo study 1 macrophage 1 martial art 1 mixed cell culture 1 monocyte 1 myalgia 1 neopterin outcome assessment 1 physical performance 1 repetitive cryotherapy 1 standing 1 tissue culture 1 urinalysis 1