title: Physiological and psychological effects of training--a comparison of individual and gymnasium programs, with a characterization of the exercise "drop-out".
mesh_terms: D000328:Adult; D000886:Anthropometry; D001290:Attitude; D001835:Body Weight; D006127:Group Structure; D006801:Humans; D007773:Lactates / Q000097:blood; D008297:Male; D008875:Middle Aged; D009042:Motivation; D010555:Personality Inventory; D010806:Physical Education and Training; D011674:Pulse; D012119:Respiration; D012885:Skinfold Thickness; D012907:Smoking
chemical_list: D007773:Lactates