<P> /* Longitudinal Data and SAS: A Programmer's Guide */<BR> /* by Ron Cody */<BR> /* Copyright(c) 2001 by SAS Institute Inc., Cary, NC, USA */<BR> /* SAS Publications order # 58176 */<BR> /* ISBN 1-58025-924-3 */<BR> /*-------------------------------------------------------------------*/</P>
<P> 包括书和SAS程序</P>
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