TY - RPRT TI - Protein A effect on alternative pathway complement activation and opsonization of Staphylococcus aureus. AU - J S Spika AU - H A Verbrugh AU - J Verhoef PY - 1981 DO - 10.1128/iai.34.2.455-460.1981 UR - https://pubmed.ncbi.nlm.nih.gov/7309234/ ID - 7309234 ER -