Gray, J. J., Cunliffe, C., Ball, J., Graham, D. Y., Desselberger, U., & Estes, M. K. (1994). Detection of immunoglobulin M (IgM), IgA, and IgG Norwalk virus-specific antibodies by indirect enzyme-linked immunosorbent assay with baculovirus-expressed Norwalk virus capsid antigen in adult volunteers challenged with Norwalk virus.

Gray, J J., C. Cunliffe, J. Ball, D Y. Graham, U. Desselberger, and M K. Estes. Detection of Immunoglobulin M (IgM), IgA, and IgG Norwalk Virus-specific Antibodies By Indirect Enzyme-linked Immunosorbent Assay With Baculovirus-expressed Norwalk Virus Capsid Antigen in Adult Volunteers Challenged With Norwalk Virus. 1994.

Gray, J J., et al. Detection of Immunoglobulin M (IgM), IgA, and IgG Norwalk Virus-specific Antibodies By Indirect Enzyme-linked Immunosorbent Assay With Baculovirus-expressed Norwalk Virus Capsid Antigen in Adult Volunteers Challenged With Norwalk Virus. 1994.