1988
January January; 81 (1): 1 - 59	February February; 81 (2): 63 - 124	March March; 81 (3): 125 - 186
April April; 81 (4): 187 - 246	May May; 81 (5): 249 - 308	June June; 81 (6): 311 - 372
July July; 81 (7): 373 - 432	August August; 81 (8): 435 - 494	September September; 81 (9): 497 - 558
October October; 81 (10): 559 - 620	November November; 81 (11): 621 - 678	December December; 81 (12): 683 - 742