TY - BOOK AU - Twisk,Jos W.R. TI - Applied Multilevel Analysis : A practical guide T2 - Practical guides to biostatistics and epidemiology SN - 0521614988 : U1 - 610.727 PY - 2006/// CY - New York PB - Cambridge University Press KW - Analysis of variance KW - Medical statistics KW - Medicine KW - Research N1 - Reference: p.169-177; Index: p.179-184 ER -