TY - RPRT TI - Multiple sclerosis and chronic inflammatory diseases. A case-control study. AU - R Midgard AU - M Grønning AU - T Riise AU - G Kvåle AU - H Nyland PY - 1996 DO - 10.1111/j.1600-0404.1996.tb00004.x UR - https://pubmed.ncbi.nlm.nih.gov/8800342/ ID - 8800342 ER -