Neonatal sucking: effects of quantity of the response-contingent fluid upon sucking rhythm and heart rate.
D005247:Feeding Behavior; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D008959:Models, Neurological; D012119:Respiration; D013391:Sucking Behavior / Q000502:physiology; D013649:Taste; D013997:Time Factors