title: The four-hour feeding rhythm of the baby as a free running endogenously regulated rhythm.
mesh_terms: D001942:Breast Feeding; D002940:Circadian Rhythm; D005247:Feeding Behavior; D006801:Humans; D007223:Infant; D007224:Infant Care; D007231:Infant, Newborn; D010507:Periodicity; D012890:Sleep