1. An Ortho-tolidine Method for the Detection of Occult Blood in Faeces. Issue 3 (August 1955) Authors: Kohn, J.; O'Kelly, T. Journal: Journal of clinical pathology Issue: Volume 8:Issue 3(1955) Page Start: 249 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Test for Occult Blood. Issue 4797 (13th December 1952) Authors: Kohn, J.; O'Kelly, T. Journal: BMJ Issue: Volume 2:Issue 4797(1952) Page Start: 1308 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Testing for Occult Blood in Faeces. Issue 5062 (11th January 1958) Authors: Kohn, J.; O'Kelly, T. Journal: BMJ Issue: Volume 1:Issue 5062(1958) Page Start: 103 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗