2004
January January; 42 (1): 1 - 491	February February; 42 (2): 493 - 940	March March; 42 (3): 941 - 1389
April April; 42 (4): 1391 - 1862	May May; 42 (5): 1863 - 2358	June June; 42 (6): 2359 - 2878
July July; 42 (7): 2879 - 3380	August August; 42 (8): 3381 - 3914	September September; 42 (9): 3915 - 4417
October October; 42 (10): 4419 - 4918	November November; 42 (11): 4919 - 5437	December December; 42 (12): 5439 - 5966