Sentence examples for have often documented from inspiring English sources

In addition, studies have often documented that the gender gap in a particular subject only appears at certain educational levels and tends to increase as students advance their schooling (Coleman et al. 1966; Husain and Millimet 2009; Fryer and Levitt 2010).

In addition, although prior studies have often documented associations between RBP4 and other cardiometabolic risk factors in addition to triglycerides, some studies support our findings of an association with triglycerides, only.

In nursing homes for elderly people, influenza outbreaks have often been documented.

This study focuses on the health inequalities for rural and disadvantaged populations that have often been documented but poorly understood, hence limiting our capacity to intervene.

However, analyte stability is greater in serum than in plasma [ 7, 8], and differences between plasma and serum test results have often been documented [ 9].

For example, adaptive phenotypic changes have often been documented in response to climate change (reviews: Bradshaw and Holzapfel 2008; Gienapp et al. 2008), exploitation (review: Hutchings and Fraser 2008), and biological invasions (reviews: Cox 2004; Carroll 2008).

More primitive organisms tend to have shorter average lengths of introns, as has been often documented [ 24- 26].

Accelerated deterioration and aging of kidneys in males compared with females has often been documented.

A positive correlation has often been documented between degree of reproductive isolation and overall genetic divergence [ 18- 20].

It has often been documented that the increased pHi caused by NHE1 activation serves as a permissive or an obligatory signal for cell proliferation and metastasis.

The effects of inbreeding arising from non-random mating or random mating in small populations have been widely explored, and an inbreeding depression of fitness has often been documented for a great variety of organisms [see e.g. [ 1]].