机构:
Univ Carlos III Madrid, Dept Lib Sci & Documentat, Madrid 28903, Spain
Royal Sch Lib & Informat Sci, DK-2300 Copenhagen S, DenmarkUniv Carlos III Madrid, Dept Lib Sci & Documentat, Madrid 28903, Spain
机构:
Univ Leeds, Ctr Biostat & Epidemiol, Biostat Unit, Leeds, W Yorkshire, EnglandUniv Leeds, Ctr Biostat & Epidemiol, Biostat Unit, Leeds, W Yorkshire, England