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May 11, 2017; 129 (19)

Cover image expansion

Confocal microscopy image of red PKH26-labeled neutrophils trogocytosing green PKH67-labeled chronic lymphocytic leukemia (CLL) B cells opsonized with rituximab anti-CD20 antibody. The merged images show trogocytosing neutrophils with yellow dots (red + green). See the article by Valgardsdottir et al on page 2636.