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1999
January January; 27 (1): 1 - 126	March March; 27 (2): 127 - 273	May May; 27 (3): 275 - 399
July July; 27 (4): 401 - 549	September September; 27 (5): 551 - 692	November November; 27 (6): 693 - 837