1989
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|---|---|---|
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January
January 1989; 40 (1): 1 - 170 |
February
February 1989; 40 (2): 171 - 316 |
March
March 1989; 40 (3): 317 - 415 |
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April
April 1989; 40 (4): 417 - 514 |
May
May 1989; 40 (5): 517 - 624 |
June
June 1989; 40 (6): 625 - 713 |
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July
July 1989; 40 (7): 715 - 830 |
August
August 1989; 40 (8): 831 - 951 |
September
September 1989; 40 (9): 953 - 1068 |
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October
October 1989; 40 (10): 1069 - 1178 |
November
November 1989; 40 (11): 1179 - 1292 |
December
December 1989; 40 (12): 1293 - 1415 |