title: Letter in response to 'Omission of research in the conceptual model of advanced practice'.
authors.affiliation: Department of Anatomy with Radiology, Faculty of Medical and Health Sciences, School of Medical Sciences, The University of Auckland 85 Park Road, Grafton Campus, Building 505, B38C, Auckland, New Zealand Email: j.sim@auckland.ac.nz Tel: +64 9 373 7599 (ext 82198).
authors.forename: Jenny
authors.initials: J
authors.lastname: Sim