1. Surgical Treatment of Mitral Stenosis;Harken;J. Thoracic Surg.,1950
2. Surgery of Mitral Stenosis;Bailey;J. Thoracic Surg.,1950
3. Valvulotomy for Mitral Stenosis;Baker;Brit. M. J.,1950
4. Bailey, C. P., Glover, R. P., and O’Neill, T. J. E.: Op. cit. p. 23.
5. Baker, C., Brock, R. C., and Campbell, M.: Op cit. p. 1286.