RT Journal Article SR Electronic T1 Safe medical staffing: the association between medical staff numbers and mortality in English hospitals JF Future Healthcare Journal JO Future Healthc J FD Royal College of Physicians SP 46 OP 46 DO 10.7861/futurehealth.6-2-s46 VO 6 IS Suppl 2 A1 Phil Harvey A1 Nigel Trudgill YR 2019 UL http://www.rcpjournals.org/content/6/Suppl_2/46.abstract AB