title: Re: Haddad et al. Barriers to clinical trial recruitment in head and neck cancer.
authors: Centre for Surgical Research, School of Social and Community Medicine, University of Bristol, Canynge Hall, 39 Whatley Road, Bristol BS8 2PS, UK. Electronic address: b.g.main@bristol.ac.uk.
authors: B G
authors: BG
authors: Main
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D006258:Head and Neck Neoplasms / Q000628:therapy*; D006801:Humans; D018579:Patient Selection; D012107:Research Design