Evaluating the effectiveness, efficiency, cost and value of contacting study authors in a systematic review: a case study and worked example
Abstract Background Studies find that identifying additional study data is possible by contacting study authors or experts. What is less certain is the time taken, costs involved and value found by using this supplementary search method. The purpose of this study is to determine the effectiveness, e...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2019-03-01
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Series: | BMC Medical Research Methodology |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s12874-019-0685-0 |