1987
January January; 25 (1): 1 - 193	February February; 25 (2): 195 - 466	March March; 25 (3): 467 - 588
April April; 25 (4): 589 - 753	May May; 25 (5): 755 - 966	June June; 25 (6): 967 - 1142
July July; 25 (7): 1143 - 1347	August August; 25 (8): 1349 - 1582	September September; 25 (9): 1583 - 1816
October October; 25 (10): 1817 - 2036	November November; 25 (11): 2037 - 2252	December December; 25 (12): 2253 - 2453