1999
January January; 43 (1): 1 - 197	February February; 43 (2): 199 - 438	March March; 43 (3): 439 - 726
April April; 43 (4): 727 - 997	May May; 43 (5): 999 - 1316	June June; 43 (6): 1317 - 1532
July July; 43 (7): 1533 - 1815	August August; 43 (8): 1817 - 2101	September September; 43 (9): 2103 - 2337
October October; 43 (10): 2339 - 2577	November November; 43 (11): 2579 - 2821	December December; 43 (12): 2823 - 3046