TY - GEN AU - Poskanzer,D C AU - Sheridan,J L AU - Prenney,L B AU - Walker,A M TI - Multiple sclerosis in the Orkney and Shetland Islands. II: The search for an exogenous aetiology SN - 0143-005X PY - 1981///0827 KW - Animal Population Groups KW - Animals KW - Demography KW - Diet KW - Environment KW - Female KW - Housing KW - Humans KW - Male KW - Multiple Sclerosis KW - epidemiology KW - Occupations KW - Social Class KW - Travel KW - United Kingdom N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1136/jech.34.4.240 ER -