1. Adenomas and Hemorrhoids: Problems of Rectal Bleeding;Turell;Wisconsin M. J.,1955
2. Sigmoidoscope with Proximal and Distal Illumination;Turell;Surgery,1949
3. Improved Sigmoidoscope;Turell;J.A.M.A.,1952
4. Teaching Instrument for Proctosigmoidoscopy;Turell;J.A.M.A.,1957
5. Proctologic Examination of Juvenile Patients;Turell;Pediat. Clin. North America,1956