title: The relation of group morale to the incidence and duration of medical incapacity in industry.
mesh_terms: D004194:Disease; D006920:Hygiene; D015994:Incidence; D007221:Industry; D008603:Mental Health; D009013:Morale; D009784:Occupational Diseases; D009790:Occupations
keywords: DISEASE/physical-mental relationships; INDUSTRY AND OCCUPATIONS/diseases and poisoning; INDUSTRY AND OCCUPATIONS/hygiene; MENTAL HYGIENE