Fried, M.D. et al. 1992. Decrease in gastric emptying time and episodes of regurgitation in children with spastic quadriplegia fed a whey-based formula

This study showed whey-based formulas reduce the number of episodes of vomiting by improving the rate of gastric emptying in patients 3 years or older with profound mental retardation, spastic quadriplegia, developmental delay, and scoliosis in comparison to patients that were fed casein-based formula.