A fundamental principle of the scientific approach is to justify the main precise facts, stated during the writing of the thesis by scientific, professional and popularization documents. Aim is to contribute to the improvement of the quality of the scientific medical writing of the theses Faculty of Medicine of Setif, in particular the references transcription. Its a comparative study “before – after” a training session on the quality of the scientific medical writing of 120 theses at the faculty of medicine during the two academic years 2014 - 2015 et 2015 -2016. The references transcription was more correct for the pharmacy department. Transcription anomalies were significantly less frequent and the proportion of theses with a correct chapter title was significantly for times greater (OR = 4.0; 95% CI = 1.4–11.2). The same result for titer was observed for the second year (OR = 10.5; 95% CI = 3.4–32.1), but with no significant difference for the number of transcription abnormalities. The insufficient level of knowledge of techniques of scientific medical writing show that the usefulness of training sessions is indisputable for improving the quality of scientific texts and promoting publications.