Organisation of a multi-centre trial.
D002986:Clinical Trials as Topic; D003201:Computers; D005069:Evaluation Studies as Topic; D006689:Hodgkin Disease / Q000188:drug therapy / Q000532:radiotherapy / Q000628:therapy*; D006801:Humans; D007256:Information Systems; D008499:Medical Records; D008505:Medical Staff, Hospital; D010865:Pilot Projects; D011676:Punched-Card Systems; D012107:Research Design