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May/Jun 2009; Vol.62, Iss.3
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Mar/Apr 2002; Vol.55, Iss.2
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Feb 1995; Vol.48, Iss.1
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Mar/Apr 2009; Vol.62, Iss.2
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Jan/Feb 2002; Vol.55, Iss.1
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Dec 1994; Vol.47, Iss.6
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Jan/Feb 2009; Vol.62, Iss.1
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Nov/Dec 2001; Vol.54, Iss.6
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Oct 1994; Vol.47, Iss.5
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Nov/Dec 2008; Vol.61, Iss.6
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Sep/Oct 2001; Vol.54, Iss.5
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Aug 1994; Vol.47, Iss.4
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Sep/Oct 2008; Vol.61, Iss.5
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Jul/Aug 2001; Vol.54, Iss.4
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Jun 1994; Vol.47, Iss.3
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Jul/Aug 2008; Vol.61, Iss.4
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May/Jun 2001; Vol.54, Iss.3
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Apr 1994; Vol.47, Iss.2
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May/Jun 2008; Vol.61, Iss.3
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Mar/Apr 2001; Vol.54, Iss.2
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Feb 1994; Vol.47, Iss.1
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Mar/Apr 2008; Vol.61, Iss.2
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Jan/Feb 2001; Vol.54, Iss.1
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Dec 1993; Vol.46, Iss.6
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Jan/Feb 2008; Vol.61, Iss.1
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Nov/Dec 2000; Vol.53, Iss.6
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Oct 1993; Vol.46, Iss.5
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Nov/Dec 2007; Vol.60, Iss.6
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Sep/Oct 2000; Vol.53, Iss.5
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Aug 1993; Vol.46, Iss.4
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Sep/Oct 2007; Vol.60, Iss.5
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Jul/Aug 2000; Vol.53, Iss.4
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Jun 1993; Vol.46, Iss.3
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May/Jun 2000; Vol.53, Iss.3
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Apr 1993; Vol.46, Iss.2
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May/Jun 2007; Vol.60, Iss.3
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Mar/Apr 2000; Vol.53, Iss.2
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Feb 1993; Vol.46, Iss.1
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Mar/Apr 2007; Vol.60, Iss.2
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Jan/Feb 2000; Vol.53, Iss.1
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Dec 1992; Vol.45, Iss.6
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Jan/Feb 2007; Vol.60, Iss.1
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Nov/Dec 1999; Vol.52, Iss.6
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Oct 1992; Vol.45, Iss.5
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Nov/Dec 2006; Vol.59, Iss.6
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Sep/Oct 1999; Vol.52, Iss.5
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Aug 1992; Vol.45, Iss.4
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Sep/Oct 2006; Vol.59, Iss.5
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Jul/Aug 1999; Vol.52, Iss.4
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Jun 1992; Vol.45, Iss.3
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Apr 1992; Vol.45, Iss.2
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May/Jun 2006; Vol.59, Iss.3
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Mar/Apr 1999; Vol.52, Iss.2
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Feb 1992; Vol.45, Iss.1
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Mar/Apr 2006; Vol.59, Iss.2
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Jan/Feb 1999; Vol.52, Iss.1
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Dec 1991; Vol.44, Iss.6
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Jan/Feb 2006; Vol.59, Iss.1
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Nov/Dec 1998; Vol.51, Iss.6
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Oct 1991; Vol.44, Iss.5
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Nov/Dec 2005; Vol.58, Iss.6
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Sep/Oct 1998; Vol.51, Iss.5
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Aug 1991; Vol.44, Iss.4
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Jun 1991; Vol.44, Iss.3
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Apr 1991; Vol.44, Iss.2
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Feb 1991; Vol.44, Iss.1
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Jan/Feb 1998; Vol.51, Iss.1
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Dec 1990; Vol.43, Iss.6
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Jan/Feb 2005; Vol.58, Iss.1
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Dec 1997; Vol.50, Iss.6
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Oct 1990; Vol.43, Iss.5
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Nov/Dec 2004; Vol.57, Iss.6
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Oct/Nov 1997; Vol.50, Iss.5
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Aug 1990; Vol.43, Iss.4
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Aug/Sep 1997; Vol.50, Iss.4
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Jun 1990; Vol.43, Iss.3
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Apr 1990; Vol.43, Iss.2
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Feb/Mar 1997; Vol.50, Iss.1
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Dec 1989; Vol.42, Iss.6
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Jan/Feb 2004; Vol.57, Iss.1
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Dec 1996/Jan 1997; Vol.49, Iss.6
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Oct 1989; Vol.42, Iss.5
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Nov/Dec 2003; Vol.56, Iss.6
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Oct/Nov 1996; Vol.49, Iss.5
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Aug 1989; Vol.42, Iss.4
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Aug/Sep 1996; Vol.49, Iss.4
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Apr 1989; Vol.42, Iss.2
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Feb 1989; Vol.42, Iss.1
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Feb/Mar 1996; Vol.49, Iss.1
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Dec 1988; Vol.41, Iss.6
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Jan/Feb 2003; Vol.56, Iss.1
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Dec 1995; Vol.48, Iss.6
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Oct 1988; Vol.41, Iss.5
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Aug 1988; Vol.41, Iss.4
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Apr 1988; Vol.41, Iss.2
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Apr 1995; Vol.48, Iss.2
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Feb 1988; Vol.41, Iss.1
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