Factors of succes of the high coverage of occupational health services of employees in Finland / Ritva Helimaki-Aro
  Bibliogr.: p. 215-216. - Abstr. eng.
  In: Central European Journal of Occupational and Environmental Medicine. - ISSN 1219-1221. - 1996. 2. évf. 3. sz., p. 207-216.