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[Use of the double questionnaire method in determining the effectiveness of teaching pathology of the gastrointestinal tract to 4th-year students at a dental school].

The problem of the "survival" of knowledge gained at the internal diseases chair of the stomatological faculty was studied for optimization of a teaching process. The method of double questionnaire interviewing was employed. It was shown that the retention of different sections of therapy in the students' memory varied. The interviewing permitted ways for further optimization of a teaching process at the chair.