1999
January January; 19 (1): 1 - 186	February February; 19 (2): 187 - 459	March March; 19 (3): 461 - 827
April April; 19 (4): 829 - 1147	May May; 19 (5): 1149 - 1365	June June; 19 (6): 1367 - 1587
July July; 19 (7): 1589 - 1817	August August; 19 (8): 1819 - 2028	September September; 19 (9): 2029 - 2280
October October; 19 (10): 2281 - 2579	November November; 19 (11): 2581 - 2821	December December; 19 (12): 2823 - 3078