TY - RPRT TI - Identifying appropriate tasks for the preregistration year: modified Delphi technique. AU - J Stewart AU - C O'Halloran AU - P Harrigan AU - J A Spencer AU - J R Barton AU - S J Singleton PY - 1999 DO - 10.1136/bmj.319.7204.224 UR - https://pubmed.ncbi.nlm.nih.gov/10417084/ ID - 10417084 ER -