From: Appendix A, Detailed Electronic Database Search Strategies
Wireless Motility Capsule Versus Other Diagnostic Technologies for Evaluating Gastroparesis and Constipation: A Comparative Effectiveness Review [Internet].
Comparative Effectiveness Reviews, No. 110.
Stein E, Berger Z, Hutfless S, et al.
Rockville (MD): Agency for Healthcare Research and Quality (US); 2013 May.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.