title: Letter: Sodium homoeostasis in preterm infants.
mesh_terms: D000136:Acid-Base Equilibrium; D001724:Birth Weight; D006706:Homeostasis; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D012964:Sodium / Q000378:metabolism*; D014882:Water-Electrolyte Balance
chemical_list: D012964:Sodium