Sentence examples for bibliographies were checked from inspiring English sources
Bibliographies were checked manually for any relevant articles.
All studies that evaluated the association between polymorphisms of APE1 and cancer risk were retrieved, and their bibliographies were checked for other relevant publications.
The bibliographies of relevant papers were checked for further relevant studies.
Bibliographies of the articles obtained were checked to identify any studies not retrieved through the electronic databases.
Third, bibliographies of all articles identified from the databases and online search were checked to determine potentially relevant citations.
Bibliographies of retrieved articles, and the proceedings of the first three International Congresses on Peer Review in Biomedical Publication were checked.
Additionally, the bibliography of included studies was checked for other relevant studies.
The bibliography of relevant articles have been checked to identify other significant papers.
The bibliography of the obtained literature and policy documents was checked which helped in confirming the presence of all key documents.
Bibliographies were sometimes provided, though not regularly.
The article bibliographies were also consulted.
