1989
January January; 124 (1): 3 - 560	February February; 124 (2): 565 - 1099	March March; 124 (3): 1101 - 1593
April April; 124 (4): 1595 - 2041	May May; 124 (5): 2043 - 2650	June June; 124 (6): 2651 - 3138
July July; 125 (1): 1 - 577	August August; 125 (2): 581 - 1105	September September; 125 (3): 1119 - 1744
October October; 125 (4): 1749 - 2229	November November; 125 (5): 2235 - 2794	December December; 125 (6): 2797 - 3114