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Archive of 1980 Online Issues:

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January 1980; 35 (1): 3 - 159
 March 1980; 35 (2): 161 - 320
May 1980; 35 (3): 321 - 480
 July 1980; 35 (4): 483 - 647
September 1980; 35 (5): 650 - 820
 November 1980; 35 (6): 825 - 1030