Sentence examples for systematically searched from inspiring English sources

We systematically searched published material for studies using DNA fingerprinting to provide data on the issue.

Five databases were systematically searched.

MEDLINE, EMBASE, CENTRAL/CCTR, Clinicaltrials.gov and ICTRP were systematically searched.

Basically, literature from established databases was systematically searched for.

Electronic databases were systematically searched before February 2013.

PubMed, Web of Science and Cochrane databases were systematically searched to identify all relevant studies.

Then we systematically searched and analyzed the available studies to address these issue.

Medline, PsycINFO and the Cochrane Library were systematically searched for articles published until February 2015.

Electronic databases were systematically searched for studies published until October 2015.

Literature was systematically searched using eight English and three Chinese electronic databases.

Six databases were systematically searched from inception until 4th July 2016.