Program Evaluation / Primary Care / Primary Health Care / Gastroenterology / Spain / Resource use / Humans / Human Resources for Health / Female / Male / Aged / Middle Aged / High Resolution / Gastrointestinal Endoscopy / Adult / Time Factors / Retrospective Studies / Ambulatory Care / Resource use / Humans / Human Resources for Health / Female / Male / Aged / Middle Aged / High Resolution / Gastrointestinal Endoscopy / Adult / Time Factors / Retrospective Studies / Ambulatory Care