1. ‘A problem-solving curriculum design in physical therapy’;Barr;Physical Therapy,1977
2. ‘The diagnostic (problem solving) skill of the neurologist’;Barrows;Archives of Neurology,1972
3. ‘The clinical reasoning process’;Barrows;Medical Education,1987
4. ‘The clinical reasoning of randomly selected physicians in general medical practice’;Barrows;Clinical and Investigative Medicine,1982
5. ‘The portable patient problem pack: A problem-based learning unit’;Barrows;Journal of Medical Education,1977