Hypocalcaemie fits in neonates.
D000818:Animals; D006801:Humans; D006996:Hypocalcemia / Q000209:etiology*; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D008892:Milk; D013746:Tetany / Q000209:etiology