TY - GEN AU - GOMPELS,A E TI - Antigenic relationships of swine influenza virus SN - 0022-1287 PY - 2003///0501 KW - Humans KW - Influenza A Virus, H1N1 Subtype KW - Orthomyxoviridae N1 - Publication Type: Journal Article UR - https://doi.org/10.1099/00221287-9-1-140 ER -