37. Zieger M, Hilpert S. Ultrasound of the infant hip. Part 4: Normal development in the newborn and preterm neonate. Pediatr Radiol 1987; 17: 470-473
37. Zieger M, Hilpert S. Ultrasound of the infant hip. Part 4: Normal development in the newborn and preterm neonate. Pediatr Radiol 1987; 17: 470-473
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