is about textual entity ethical approval textual entity A textual entity that documents the ethical approval of some study design. From McLean et al. Br J Gen Pract. 2014 Jul; 64(624): e440–e447 (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4073730/): The NHS National Research Ethics Service had previously approved the use of these anonymised data for research purposes and this analysis did not require independent review. PERSON: Bill Baumgartner ethical approval textual entity study design