0000912057-02-011869 10-K 6 20011231 20020327 AVANT IMMUNOTHERAPEUTICS INC 0000744218 2835 133191702 DE 1231 10-K 34 000-15006 02588180 119 FOURTH AVE NEEDHAM MA 02494 7814330771 119 FOURTH AVE NEEDHAM MA 021942725 T CELL SCIENCES INC 19920703 10-K 1 a2073956z10-k.htm 10-K EX-4.2 3 a2073956zex-4_2.txt EXHIBIT 4.2 EX-10.9 4 a2073956zex-10_9.txt EXHIBIT 10.9 EX-10.17 5 a2073956zex-10_17.txt EXHIBIT 10.17 EX-10.18 6 a2073956zex-10_18.txt EXHIBIT 10.18 EX-23 7 a2073956zex-23.txt EXHIBIT 23