Hence, if the purpose of a literature search is to find a dozen of the most recent references, then 'citation surfing', that is, tracking only the most cited citations would be more reasonable than a comprehensive citation analysis.
The chapters are generally well referenced; the most recent references given are from 2002.
Although this corpus did not include all references describing arsenic-gene interactions, it represented the most recent references analyzing molecular mechanisms of arsenic compounds.
Although every effort was made to use the most recent references possible, articles were used irrespective of the year of publication if deemed appropriate.
The most recent references used, as in our analysis, a threshold animal model and obtained heritability in the upper range for dairy cattle: 0.11 and 0.05 to 0.14 for direct and maternal effects, respectively (Johanson et al., 2011; Eaglen et al., 2012).
The songs were blues-rock, garage-rock, borderline psychedelia and loud pop, mostly harking back to the 1960s; the most recent musical reference, with brawny guitar tones and upper-register backing vocals, was the T. Rex of "Bang a Gong (Get It On)" and "Jeepster".
The impact of increasing unit costs, however, could be examined using 2011 as the most recent common reference year.
These cost estimates will be based on the most recent NHS Reference costs (currently 50) and data from the literature.
A standardised birth weight was calculated using the most recent Dutch reference values obtained from the Dutch perinatal registration.
Newborns were classified with small head circumference (SHC) if their head circumference was below the 5th percentile of the head circumference distribution at birth for a given gestational age and sex, according to the most recent French reference curves [ 13].
