1989
January January; 79 (1): 1 - 40	February February; 79 (2): 53 - 99	March March; 79 (3): 107 - 153
April April; 79 (4): 159 - 204	May May; 79 (5): 213 - 254	June June; 79 (6): 263 - 305
July July; 79 (7): 311 - 355	August August; 79 (8): 363 - 414	September September; 79 (9): 421 - 466
October October; 79 (10): 476 - 520	November November; 79 (11): 527 - 579	December December; 79 (12): 585 - 641