Developing a reliable and valid patient measure of safety in hospitals (PMOS): a validation study
Rosemary R C McEachan, Rebecca J Lawton, Jane K O'Hara, Gerry Armitage, Sally Giles, Sahdia Parveen, Ian S Watt, John Wright, on behalf of the Yorkshire Quality and Safety Research Group
BMJ Quality & Safety Jul 2014, 23 (7) 565-573; DOI: 10.1136/bmjqs-2013-002312