title: Letter: Sodium homoeostasis in preterm infants.
mesh_terms: D000450:Aldosterone / Q000031:analogs & derivatives / Q000652:urine; D001724:Birth Weight; D002849:Chromatography, Gas; D005260:Female; D005865:Gestational Age; D006706:Homeostasis; D006801:Humans; D007010:Hyponatremia / Q000175:diagnosis; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D010783:Photometry; D011188:Potassium / Q000097:blood / Q000652:urine; D011247:Pregnancy; D012964:Sodium / Q000097:blood / Q000378:metabolism* / Q000652:urine; D013053:Spectrophotometry; D014427:Twins; D014882:Water-Electrolyte Balance
chemical_list: D000450:Aldosterone; D012964:Sodium; D011188:Potassium