1992
January January 1; 89 (1) : 1 - 451 January 15; 89 (2) : 453 - 792	February February 1; 89 (3) : 793 - 1148 February 15; 89 (4) : 1149 - 1517	March March 1; 89 (5) : 1519 - 1997 March 15; 89 (6) : 1999 - 2509
April April 1; 89 (7) : 2511 - 3164 April 15; 89 (8) : 3165 - 3669	May May 1; 89 (9) : 3671 - 4220 May 15; 89 (10) : 4221 - 4779	June June 1; 89 (11) : 4781 - 5201 June 15; 89 (12) : 5203 - 5700
July July 1; 89 (13) : 5701 - 6225 July 15; 89 (14) : 6227 - 6663	August August 1; 89 (15) : 6665 - 7287 August 15; 89 (16) : 7289 - 7849	September September 1; 89 (17) : 7851 - 8408 September 15; 89 (18) : 8409 - 8857
October October 1; 89 (19) : 8859 - 9365 October 15; 89 (20) : 9367 - 9975	November November 1; 89 (21) : 9977 - 10562 November 15; 89 (22) : 10563 - 11107	December December 1; 89 (23) : 11109 - 11650 December 15; 89 (24) : 11651 - 12210