title: Changes in maximal aerobic power, aerobic capacity, and muscle enzyme activities at two stages of the annual training cycle in ski-runners.
mesh_terms: D004734:Energy Metabolism; D004798:Enzymes / Q000378:metabolism; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D009132:Muscles / Q000201:enzymology*; D010100:Oxygen / Q000097:blood; D010809:Physical Fitness; D012865:Skiing
chemical_list: D004798:Enzymes; D010100:Oxygen