TY - RPRT TI - ELISA methodology for polysaccharide antigens: protein coupling of polysaccharides for adsorption to plastic tubes. AU - B M Gray PY - 1979 DO - 10.1016/0022-1759(79)90340-5 UR - https://pubmed.ncbi.nlm.nih.gov/38284/ ID - 38284 ER -