Sentence examples for papers were identified using from inspiring English sources

Potential source papers were identified using the Web of Science.

A total of 44 papers were identified using the search strategy described in the methods.

An additional 20 papers were identified using additional non-database search methods giving a total of 34 included papers (figure 1).

The search was exploded to ensure greater coverage and a further seven papers were identified using the terms 'emergency research', 'emergency exception' and 'exception from informed consent'.

Papers were identified using medical subject headings and key word combinations and truncations: ('forecast*' or 'predictive model*' or 'prediction model*' or 'time serie*' or 'time-serie*'; AND 'malaria*').

Referenced papers were identified using multiple electronic searches of the Medline database with the keywords (alone or in combination): toll-like receptors (TLRs), cancer, TLR ligands, NF- κB, innate immunity, acquired immunity and immunotherapy.

Five additional papers in English were identified using a combination of the MeSH terms, "Silver Compounds" AND "Dental Caries" AND "Primary teeth".

Relevant papers and conference proceedings were identified using CAB Abstracts 1972 2002 and the search terms "invasions" and "trees" or "woody", "forestry", "agroforestry", "silviculture" or "plantations".

Empirical papers published in recent years were identified using three search engines and online databases – PubMed, Google Scholar and Cochrane Database.

A total of 85 papers from peer-reviewed journals were identified using the search strategy.

Papers reporting on adverse events associated with epidural catheters were identified using three different approaches.