1999
January January; 84 (1): 3 - 384	February February; 84 (2): 393 - 825	March March; 84 (3): 829 - 1159
April April; 84 (4): 1165 - 1491	May May; 84 (5): 1497 - 1762	June June; 84 (6): 1767 - 2263
July July; 84 (7): 2267 - 2584	August August; 84 (8): 2593 - 2997	September September; 84 (9): 3001 - 3406
October October; 84 (10): 3411 - 3853	November November; 84 (11): 3859 - 4295	December December; 84 (12): 4301 - 4751