1) Churton, T.: Multiple aneurysm of pulmonary artery. Brit. Med. J., !: 223, 1897.
2) Smith, H. L. and Horton, B. T.: Arteriovenous fistula of lung associated with policythemia vera. Am. Heart J., 18: 589, 1939.
3) Hepburn, J. and Dauphinee, J. A.: Successful removal of a hemoangioma of the lung follow-by the disappearance of polycythemia. Am. J. Med. Sci., 204: 681, 1942.
4) Bosher, L. H. Jr., Blake, D. A. and Byrd, B. R.: An analysis of the pathologic anatomy of pulmonary arteriovenous aneurysms with particular reference to the applicability of local excision. Surgery, 45: 91, 1959.