Appraisal of: O'Leary N, Tiernan E, Walsh D, Lucey N, Kirkova J, Davis MP. The pitfalls of a systematic MEDLINE review in palliative medicine: symptom assessment instruments. Am J Hosp Palliat Care. 2007; 24(3): 181-184.
The authors describe the usefulness of the related articles link in PubMed as part of a systematic MEDLINE review. Of 1181 citations identified, through a PubMed search, 10 articles met the indusion criteria. as did a further 21 articles identified through hand-searching the references of the 10 articles. The PubMed related articles link of the 10 articles yielded 15% of all reports finally included in the systematic review. The authors suggest that it is a useful tool in PubMed for revietrieving complex evidence.