1997
January January; 145 (1): 1 - 216	February February; 145 (2): 217 - 542	March March; 145 (3): 543 - 861
April April; 145 (4): 863 - 1249	May May; 146 (1): 1 - 442	June June; 146 (2): 443 - 743
July July; 146 (3): 745 - 1206	August August; 146 (4): 1207 - 1514	September September; 147 (1): 1 - 349
October October; 147 (2): 351 - 933	November November; 147 (3): 937 - 1490	December December; 147 (4): 1491 - 1999