1999
January January; 37 (1): 1 - 281	February February; 37 (2): 283 - 478	March March; 37 (3): 479 - 882
April April; 37 (4): 883 - 1237	May May; 37 (5): 1239 - 1660	June June; 37 (6): 1661 - 2125
July July; 37 (7): 2127 - 2392	August August; 37 (8): 2393 - 2744	September September; 37 (9): 2745 - 3082
October October; 37 (10): 3083 - 3436	November November; 37 (11): 3437 - 3789	December December; 37 (12): 3791 - 4206