1988
January January; 118 (1): 1 - 167	February February; 118 (2): 169 - 388	March March; 118 (3): 389 - 547
April April; 118 (4): 549 - 721	May May; 119 (1): 1 - 221	June June; 119 (2): 1 - 472
July July; 119 (3): 473 - 737	August August; 119 (4): 739 - 990	September September; 120 (1): 1 - 314
October October; 120 (2): 315 - 613	November November; 120 (3): 615 - 856	December December; 120 (4): 857 - 1154