Letter: Comparison of pain cry in neonates with and without feeding tube.
D001238:Asphyxia Neonatorum / Q000175:diagnosis*; D003448:Crying; D004750:Enteral Nutrition / Q000009:adverse effects*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D010146:Pain