Original sentence: Blah blah blah
Edited sentence: <ref name="oxford">.Almost no preparation for the MRCP exam was given to postgraduates, so Pappworth resolved to tutor qualified doctors in the particulars of medicine and patient examination that the exam required.Charging one pound—then not inconsiderable—for a two-hour class, Pappworth began teaching in his consulting rooms, later moving the classes to a public hall in London.He also staged mock examinations in nearby mental hospitals for a higher cost.He claimed that 75 percent of the successful New Zealand and Australian candidates could trace their success to his teaching.In the 1950s, the pass rate for the MRCP examination seldom topped fifteen percent, partly due to the medical establishment's need to restrict the number of applicants to senior positions, but also—Pappworth maintained—because of low teaching standards in medical schools.Many working consultants in the United Kingdom admit Pappworth's influence on the success of their careers.Over the course of his career, Pappworth tutored more than 1,600 doctors, many of whom were from overseas.The pass rate for Pappworth's students was "outstandingly good"; sometimes more than half of those who passed the exam had been taught by him.While recognized as the best medical teacher in the country, Pappworth was unafraid of speaking his mind about the medical establishment; equally, the Royal College of Physicians did not withhold criticism of Pappworth's unwanted encroachment into its affairs