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Table 1 Examples of search strings and results from PubMed and CINAHL via EbscoHost

From: The effectiveness of interventions to reduce peripheral blood culture contamination in acute care: a systematic review protocol

Keyword search Date of search Search engine used Number of publications retrieved
((((contamination[Title/Abstract]) OR false-positive[Title/Abstract])) AND ((((Blood culture[MeSH Major Topic]) OR Hematologic tests[MeSH Major Topic]) OR blood culture*[Title/Abstract]) November 28, 2017 PubMed 1491
(Blood Culture OR Culture) AND (Contamination OR False Positive OR Microbial Contamination OR Bacterial Contamination OR False Negative). November 29, 2017 CINAHL via Ebsco 2119