2004
January January; 89 (1): 1 - 440	February February; 89 (2): 447 - 1022	March March; 89 (3): 1031 - 1494
April April; 89 (4): 1503 - 1985	May May; 89 (5): 1993 - 2514	June June; 89 (6): 2521 - 3082
July July; 89 (7): 3089 - 3620	August August; 89 (8): 3629 - 4189	September September; 89 (9): 4197 - 4781
October October; 89 (10): 4789 - 5281	November November; 89 (11): 5289 - 5876	December December; 89 (12): 5887 - 6366