2000
January January; 21 (1): 3 - 144	March March; 21 (2): 147 - 270
April April; 21 (3): 275 - 410	May May; 21 (4): 419 - 524
July July; 21 (5): 531 - 674	September September; 21 (6): 683 - 805
October October; 21 (7): 811 - 943	November November; 21 (8): 948 - 1086