TY - GEN AU - Appelmelk,B J AU - Rapson,N T AU - Verweij-van Vught,A M AU - Maaskant,J J AU - Hekker,T A AU - Peerbooms,P G AU - MacLaren,D M AU - Thijs,L G TI - Heterogeneity of Escherichia coli J5 vaccines SN - 0140-6736 PY - 1987///0106 KW - Bacterial Vaccines KW - classification KW - Escherichia coli KW - immunology N1 - Publication Type: Letter; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/s0140-6736(86)92695-4 ER -