00569nam 2200193z- 450 9911016164203321(CKB)4570000000000784(EXLCZ)99457000000000078420250729c1997uuuu -u- -engStatistics at Square OneUniversity of SouthamptonBMJ Publishing Group0-7279-0916-9 Swinscow Thomas Douglas Victor1835239Campbell Michael J125733BOOK9911016164203321Statistics at Square One4411587UNINA