1. Four congenital tumors of the head and spine, all submitted to operation: clinical lecture delivered at the Jefferson Medical College Author(s): Keen, William W. (William Williams), 1837-1932 Publication: [Philadelphia? : s.n., 1891?] Subject(s): Neoplasms -- congenitalMeningoceleSpinal DysraphismDermoid Cyst
2. Peculiar form of spina bifida, with imperforation of the duodenum and rectum Author(s): Jackson, J. B. S. Publication: [Boston : s.n., 1858?] Subject(s): Spinal Dysraphism
