1988
January January; 11 (1): 3 - 106	February February; 11 (2): 111 - 207	March March; 11 (3): 209 - 299
April April; 11 (4): 301 - 396	May May; 11 (5): 397 - 494	June June; 11 (6): 495 - 768
July July; 12 (1): 1 - 88	August August; 12 (2): 89 - 222	September September; 12 (3): 223 - 332
October October; 12 (4): 365 - 469	November November; 12 (5): 471 - 528	December December; 12 (6): 530 - 637