1984
January January ; 31 (1) : 1 - 122	March March ; 31 (2) : 123 - 238	May May ; 31 (3) : 239 - 346 May; 31 (Supplement) : S1 - S92
July July ; 31 (4) : 347 - 490	September September ; 31 (5) : 491 - 596	November November ; 31 (6) : 597 - 743