1. Abdalla MA, King AS. The functional anatomy of the pulmonary circulation in the fowl. Respir Physiol 23: 267–290, 1975.
2. Adler KB, Callahan LM, Evans JN. Cellular alterations in the alveolar wall in bleomycin-induced pulmonary fibrosis in rats. Am Rev Respir Dis 133: 1043–1048, 1986.
3. Andersen JB, Jespersen W. Demonstration of intersegmental respiratory bronchioles in normal human lungs. Eur J Respir Dis 61: 337–341, 1980.
4. Caduff JH, Fischer LC, Burri PH. Scanning electron microscope study of the developing microvasculature in the postnatal rat lung. Anat Rec 216: 154–164, 1986.
5. Charan NB, Turk GM, Dhand R. Gross and subgross anatomy of bronchial circulation in sheep. J Appl Physiol 57: 658–664, 1984.