TY - BOOK AU - Matthews,David E. AU - Farewell,Vernon T. TI - Using and understanding medical statistics: 4th,completely revised and enlarged ed SN - 3805581890 AV - RA409.S7.M3 2007 PY - 2007/// CY - London PB - Karger KW - Medical statistics KW - Statistics;Medical KW - Biometry-methods N1 - Includes index ER -