1. Inselman LS, Mellins RB. Growth and development of the lung. J Pediatr 1981; 98: 1–15.
2. Hislop A, Reid L. Fetal and childhood development of the intra-pulmonary veins in man-branching pattern and structure. Thorax 1973; 28: 313–319.
3. Hislop A, Reid L. Intrapulmonary arterial development during life-branching pattern and structure. J Anat 1972; 113: 35–48.
4. Kitterman JA. Fetal lung development. J Dev Physiol 1984; 6: 67–82.
5. Avery ME, Fletcher DB, William RG. The lung and its disorders in the newborn infant. 4th ed. Philadelphia: WB Saunders, 1981: 3–27.