title: Systemic bone disease associated with low serum copper levels in preterm low-birth weight twin infants.
mesh_terms: D001847:Bone Diseases / Q000209:etiology*; D003300:Copper / Q000172:deficiency*; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000209:etiology*; D008297:Male
chemical_list: D003300:Copper