Sentence examples for some studies speculated from inspiring English sources

Although some studies speculated whether the lowered IgG-levels preceded tumor diagnosis, this has not been clarified.

Some studies speculate that the axon is the site of Abeta production (Muresan and Muresan, 2006).

Some studies speculate that larger diatoms will be favored [ 15], while others suggest that diatoms may age faster and undergo senescence/aging or even disappear in some areas of the oceans [ 18].

Some studies speculate that an ancestral gene duplicated early in vertebrate evolution (or possibly even prior to evolution of vertebrates), with subsequent divergence to become separate PXR and VDR genes [ 9, 10, 12, 15, 17, 20, 22, 51].

Importantly, it is during these transition periods when some studies speculate that mortalities can reach very high levels in a short period of time (Bradford 1995; Beamish et al. 2010), potentially high enough to exert strong evolutionary pressure on a population.

With regard to risk behavior, some studies speculate that military populations have higher rates of risk behaviors, potentially decreasing ability to generalize prevalence of risk behaviors to a general population of young adults or have military populations serve as a sentinel group for risk behaviors [ 21].

Furthermore, other studies in the general population have shown that mortality from coronary heart disease has decreased over the past decades, and some of these studies speculated that patients with diabetes have also benefited from this reduction (18– 20).

Further studies speculated that large amounts of dust kicked up into the atmosphere by nuclear explosions might block sunlight from reaching the Earth's surface, leading to a temporary cooling of the air.