Authors: M Tolonen; S Sarna; M Halme; S E Tuominen; T Westermarck; U R Nordberg; M Keinonen; J Schrijver Journal: Biol Trace Elem Res Date: 1988 Sep-Dec Impact factor: 3.738
Authors: R Järvinen; P Knekt; R Seppänen; A Reunanen; M Heliövaara; J Maatela; A Aromaa Journal: J Epidemiol Community Health Date: 1994-12 Impact factor: 3.710