RT Journal Article SR Electronic T1 The Discovery Method: An International Experiment in Retraining JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 86 OP 86 DO 10.1136/oem.27.1.86 VO 27 IS 1 A1 P. A. B. Raffle YR 1970 UL http://oem.bmj.com/content/27/1/86.1.abstract AB