The primary researcher (JW) searched 19 databases and used 3 search engines, for articles, not limited to the English language, drawing on the entire range of publication years covered in each database up to December 2010 using a combination of index terms and text words identified from previously identified, relevant articles.
The primary researcher (JW) searched 19 databases and used 3 search engines, for articles, not limited to the English language and covering the full range of publication years available in each database up to December 2010 using a combination of index terms and text words derived from relevant articles previously identified.
A systematic search of MEDLINE, Cochrane Library and the Cochrane Central Register of Controlled Trials was conducted to identify reports of RCTs of prophylactic HPV vaccines published up to July 31st, 2009, using a combination of index terms: "Human Papillomavirus", "Papillomavirus vaccines", "Randomized controlled trials", and "Controlled clinical trials".
Two reviewers independently searched the Cochrane Menstrual Disorders and Subfertility Specialized Register (10 April 2013), the Cochrane Central Register of Controlled Trials (The Cochrane Library 2013, Issue 1), MEDLINE (1950 to 4 April 2013), and EMBASE (1974 to 4 April 2013) using a combination of both index and free-text terms.
Search strategies suitable for each bibliographic database were developed using a combination of special index search terms (including medical subject headings (MeSH)), text word searches of titles and abstracts, and synonyms for genital chlamydia infection, population-based studies and prevalence.
Analysis of the tectonic geomorphology of 32 drainage basins and mountain front facets using a combination of geomorphic indices reveals a general pattern of high slip rates in the northern and central segments and low slip rates in the southern, probably older, segments.
To determine whether using a combination of body mass index (BMI) and waist circumference (WC) or waist-to-height ratio (W/Hr) is clinically helpful in identifying children with high metabolic and cardiovascular risks.
