1998
January January; 29 (1): 1 - 338	February February; 29 (2): 339 - 562	March March; 29 (3): 563 - 742
April April; 29 (4): 743 - 884	May May; 29 (5): 885 - 1082	June June; 29 (6): 1083 - 1280
July July; 29 (7): 1281 - 1490	August August; 29 (8): 1491 - 1754	September September; 29 (9): 1755 - 2011
October October; 29 (10): 2013 - 2228	November November; 29 (11): 2243 - 2454	December December; 29 (12): 2455 - 2675