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Archive of 1977 Online Issues:

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February 1977; 18 (1): 1 - 287
 April 1977; 18 (2): 287 - 483
June 1977; 18 (3): 485 - 719
 August 1977; 18 (4): 721 - 938
October 1977; 18 (5): 939 - 1179
 December 1977; 18 (6): 1181 - 1381