['Attachment', 'of', 'doxorubicin', 'to', 'ELR', '-', 'based', 'system', 'showed', 'enhanced', 'cytotoxicity', 'in', 'uterine', 'sarcoma', 'cells', 'when', 'aggregation', 'was', 'induced', 'with', 'hyperthermia', '[', '52', ']', '.']