Messina, J. P., Hickox, P. G., Lepow, M. L., Pollara, B., & Venezia, R. A. (1985). Modification of a direct enzyme-linked immunosorbent assay for the detection of immunoglobulin G and M antibodies to pneumococcal capsular polysaccharide.

Messina, J P., P G. Hickox, M L. Lepow, B. Pollara, ja R A. Venezia. Modification of a Direct Enzyme-linked Immunosorbent Assay for the Detection of Immunoglobulin G and M Antibodies to Pneumococcal Capsular Polysaccharide. 1985.

Messina, J P., et al. Modification of a Direct Enzyme-linked Immunosorbent Assay for the Detection of Immunoglobulin G and M Antibodies to Pneumococcal Capsular Polysaccharide. 1985.