TY - BOOK AU - FORTHOFER RONALD N;LEE EUN SUL ;HERNANDEZ MICHAEL TI - BIOSTATISTICS: A GUIDE TO DESIGN ANALYSIS AND DESIGN DISCOVERY SN - 9788131211199 U1 - 570.151 95 PY - 2007/// CY - BOSTON PB - ELSEVIER ACADEMIC PRESS KW - Biostastistics ER -