1405-3195 1405-3195 S1405-31952018000100067 Spain Spain 00 02 2018 00 02 2018 52 1 67 75

2004 50 682-5 2011 109 1-9 1989 7 2012 Aug 20-24 Helsinki, Finland 292-3 1990 1971 1 1986 13 377-87 1956 51 111-21 1992 45 272-6 1994 40 190-7 SAS Institute Inc. 2001 1987 37 789-99 1984 30 40-8 1998 13 313-22 2002 47 615-8