Few randomized controlled trials exist. Those that do, although methodologically weak like most nutrition studies, don't support the necessity of breakfast.
The noise was quite disruptive at first, but after about four minutes the subjects were doing just as well on their tasks as control subjects who were not exposed to noise.
METHODS The aciclovir eye ointment was used as control group, and the gel as test group, the drug action on treatment of experimental rabbits herpes simplex keratitis (HSK) was compared.
Caravaggio's artistic style, self-taught and hugely inventive, is instantly recognisable-stark, vivid and naturalistic, with emphasis on light and shadow, or chiaroscuro.
DESIGN: Comparative observation study with RD children as subjects and normal children as control SETTING: Nuclear medicine and psychological health institute of a university.