It is also worth mentioning that half the included reviews (12 reviews: Beich et al., 2003; Whitlock et al., 2004; Littlejohn, 2006; Gordon et al., 2007; Parkes et al., 2008; Peltzer, 2009; Latimer et al., 2010; Saitz, 2010; Bray et al., 2011; Gilinsky et al., 2011; Sullivan et al., 2011; Jonas et al., 2012) were based exclusively on studies published in the English language.
We designed a meta-analysis based exclusively on evidence from published randomized controlled trials, with the aim of analysing the effect of trans-abdominal ultrasound guidance during embryo transfer versus clinical touch and of transvaginal ultrasound guidance (TV-US) versus the trans-abdominal approach on IVF outcomes.
This procedure is currently ranked as the 'gold standard' and scientific reports based exclusively on interviews by telephone are rarely published.
WHO estimates on MDR-TB are based exclusively on population-based surveys, such as those recently conducted in Nigeria and Senegal.
These sections are currently based exclusively on evidence collected from the 72 included studies identified by the original search and published between 1978 and July 2013 (see also Search methods for identification of studies, Results of the search and Figure 2).
The procedure, which is based exclusively on the particular form of the combining function, can be applied to standard generators proposed and published in the open literature.
Simpson is that rare writer who has successfully carved a reputation based exclusively on short stories.
The present indictment is based exclusively on crimes committed since the beginning of 1999 in Kosovo.
