Variation in number of hits for complex searches in Google Scholar - Bramer, Wichor Matthijs (Journal of the Medical Library Association, 2016)
Keywords: Algorithms; Bibliographic data bases; Citations; Database searching; Evaluation; Humans; Information Dissemination - methods; Information Storage and Retrieval - statistics & numerical data; Internet; Internet/Web search services; Journal Impact Factor; Library Science; Management; Medical journals; Medical Subject Headings; Online searching; Online services; Queries; Research Communications; Search Engine; Search engines; Search strategies; Netherlands; Search Engine; Reproducibility of Results; Review Literature as Topic; Information Storage and Retrieval