TY - RPRT TI - A more precise and sensitive hemagglutination reduction assay for interferon. AU - G J Stanton AU - D C May AU - W F Verwey PY - 1973 DO - 10.3181/00379727-143-37468 UR - https://pubmed.ncbi.nlm.nih.gov/4795518/ ID - 4795518 ER -