1. Collateral ventilation;Baarsma;J. Thoracic Surg.,1948
2. A morphologic study of airways disease using bronchial casts;Horsfield;Am. Rev. Resp. Dis.,1966
3. Zur Histologie des indurirenden fibrösen Pneumonic;Kohn;Muench. Med. Wochschr.,1893
4. Accessory bronchiole-alveolar communications;Lambert;J. Palhol. Bacterial.,1955
5. Interalveolar communications in normal and in pathological mammalian lungs;Loosli;Arch. Pathol.,1937