claim: immunoglobulin fragment f2 against rbd potently neutralizes fs-cov-2 in vitro
evidence_1: techniques used: neutralization, binding assay, infection, immunofluorescence figure legend snippet: neutralization of sars-cov-2 by rbd-specific immunoglobulins and f(ab) 2 fragments and their binding to the rbd.", "immunoglobulin fragment f(ab)2 against rbd potently neutralizes sars-cov-2 in vitro.", "article title: immunoglobulin fragment f(ab)2 against rbd potently neutralizes sars-cov-2 in vitro article snippet: ..")