1987
January January; 55 (1): 1 - 280	February February; 55 (2): 281 - 496	March March; 55 (3): 497 - 842
April April; 55 (4): 843 - 1021	May May; 55 (5): 1023 - 1337	June June; 55 (6): 1339 - 1539
July July; 55 (7): 1541 - 1736	August August; 55 (8): 1737 - 1949	September September; 55 (9): 1951 - 2326
October October; 55 (10): 2327 - 2540	November November; 55 (11): 2541 - 2864	December December; 55 (12): 2865 - 3240