title: Letter: Rosetting tests.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D001772:Blood Cell Count; D001793:Blood Preservation; D001800:Blood Specimen Collection; D002498:Centrifugation; D006801:Humans; D007104:Immune Adherence Reaction; D012756:Sheep / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology; D013696:Temperature