TY - RPRT TI - Solid-phase radioimmunoassay as a method for evaluating antigenic differences in type A influenza viruses. AU - J H Schieble AU - D Cottam PY - 1977 DO - 10.1128/iai.15.1.66-71.1977 UR - https://pubmed.ncbi.nlm.nih.gov/64458/ ID - 64458 ER -