Several studies demonstrate improvement in the severity and duration of the common cold in adults treated with echinacea products [ 15].
Several studies demonstrate the relation between geomechanics, earthquake characteristics, and the weakness of rocks on a crustal and regional scale.
Trapidil is an antiplatelet agent and several studies demonstrate the beneficial effect of trapidil in various forms of tissue injury.
For example, several studies demonstrate the higher likelihood of bicycle injuries among males (Thompson et al. 1990; Gallagher et al. 1984; Mehan et al. 2009).
Several studies demonstrate that urban microclimate affects buildings' energy consumption and calculations based on typical meteorological year could misestimate their actual energy consumption.
Several studies demonstrate that the presence of psychiatric co-morbidities is increased in people with migraine, especially depression and anxiety [5 10].
Several studies demonstrate that obestatin reduces food and water intake, decreases body weight gain, inhibits gastrointestinal motility, and modulates glucose-induced insulin secretion.
Several studies demonstrate that competitive alternatives to individual private transport are able to address these challenges, such as public transportation services.
Several studies demonstrate that politicians pay little to no attention to our poorest citizens.
Several studies demonstrate how laughter can reduce inflammation and blood pressure, boost immunity and even burn calories.
Several studies demonstrate decreased SOD activity in zinc-deficient mammalian cells [47], [48].
