@article{9ea7e37e61bc45f7a930bb30464d983b,
title = "Validity of indirect comparison for estimating efficacy of competing interventions: empirical evidence from published meta-analyses",
author = "Fujian Song and Altman, \{Douglas G.\} and Anne-Marie Glenny and Deeks, \{Jonathan J.\}",
year = "2003",
doi = "10.1136/bmj.326.7387.472",
language = "English",
volume = "326",
pages = "472--475",
journal = "British Medical Journal",
issn = "0959-8138",
publisher = "BMJ Publishing Group",
number = "7387",
}