RT Journal Article SR Electronic T1 Hospital Size and Staff Sickness Rates JF British Journal of Preventive & Social Medicine JO Br J Prev Soc Med FD BMJ Publishing Group Ltd SP 156 OP 158 DO 10.1136/jech.12.3.156 VO 12 IS 3 A1 Barr, A. YR 1958 UL http://jech.bmj.com/content/12/3/156.abstract AB