| multiple sclerosis and exposure to solvents, ionizing radiation and animals. | earlier studies have indicated an association between multiple sclerosis and environmental factors, especially occupational exposure to solvents. the present study examined such relationships further. from medical files of hospitals in kalmar and jönköping, 91 cases of multiple sclerosis, diagnosed in 1983-1988, were identified from population registers corresponding to the catchment areas of the hospitals, and 348 referents were randomly drawn. the cases and referents answered a questionnaire c ... | 1993 | 8153592 |
| [does the infectious disease, human ehrlichiosis, exist in sweden? ticks get a hold of new zoonoses]. | human ehrlichiosis diseases, decently recognised as emerging human infections in the usa, are caused by vector-borne, strictly intracellular bacteria of the family rickettsiaceae. human monocytic ehrlichiosis is caused by ehrlichia schaffeensis, whereas the agent causing human granulocytic ehrlichiosis (hge) has yet to be identified [1]. the putative increase in the occurrence of these primary zoonoses is dependent on the complex relationship between the infectious agents, the vectors, and the h ... | 1997 | 9411085 |