RT Journal Article SR Electronic T1 A mediaeval accident at work JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 188 OP 188 DO 10.1136/oem.47.3.188 VO 47 IS 3 A2 HA Waldron YR 1990 UL http://oem.bmj.com/content/47/3/188.abstract AB