Rosette formation.
D000937:Antigen-Antibody Reactions; D002122:Calcium Chloride; D006801:Humans; D007104:Immune Adherence Reaction; D007118:Immunoassay; D008214:Lymphocytes / Q000276:immunology; D008274:Magnesium
D008274:Magnesium; D002122:Calcium Chloride