title: Morbidity pattern in relation to birth interval and birth order in children.
mesh_terms: D001721:Birth Intervals; D001722:Birth Order; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009017:Morbidity; D009748:Nutrition Disorders / Q000453:epidemiology