English to Russian Medical Medical (general) ...

The caseload of patients was collected by means of the last patient technique (each physician is asked to provide information on the last patient to whom nimesulide is prescribed); this indicates that one patient case per physician is collected for each response and _carried forward to the base of physicians_ selected from each country. Owing to its random selection process, the last patient technique can be considered truly representative of prescribing behavior.

Не поняла смысла выделенной фразы; речь идет об опросе врачей при помощи анкеты.

Заранее спасибо.