1989
January January; 63 (1): 1 - 470	February February; 63 (2): 471 - 1022	March March; 63 (3): 1023 - 1494
April April; 63 (4): 1495 - 1843	May May; 63 (5): 1845 - 2414	June June; 63 (6): 2415 - 2884
July July; 63 (7): 2885 - 3212	August August; 63 (8): 3213 - 3560	September September; 63 (9): 3561 - 4120
October October; 63 (10): 4121 - 4477	November November; 63 (11): 4479 - 4990	December December; 63 (12): 4991 - 5513