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In both animals and humans, there are numerous clinical, physiologic, and morphologic alterations that occur when hypertonic solutions are introduced into the alimentary tract. The most serious adverse effect observed in the human infant is necrotizing enterocolitis. A short in vitro study analyzing osmolalities of drug-formula mixtures at various(More)
Each of four litters of newborn rats was categorized first by sex and then within each litter, each sex-specific group was randomized into three treatment groups: an experimental (asphyxiated on 4 consecutive days from birth), a partial control (asphyxiated once on the fourth day of life), and a control group (never asphyxiated). Asphyxiation was carried(More)
To study the respiratory tolerance of rat pups to intermittent asphyxia induced by exposure to closed rebreathing, we randomized newborn rats from four litters into two treatment groups. Respiratory tolerance was defined as the time interval during asphyxia until the first episode of 30 seconds of apnea. Rats in the experimental group were asphyxiated once(More)
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