title: Comparison of three measures of predictor VO2 maximum test protocols of adults with mental retardation: a pilot study.
mesh_terms: D000328:Adult; D005080:Exercise Test; D006801:Humans; D008607:Intellectual Disability / Q000097:blood*; D008297:Male; D010100:Oxygen / Q000097:blood*; D010809:Physical Fitness
chemical_list: D010100:Oxygen