| Institution | Role | From | To |
|---|
| Faculty of Medicine, University of Vallodolid, Valladolid, Spain | Alumno interno | 1935 | 1939 |
| Military Hospital Valladolid, Valladolid, Spain | ??? | 1936-08-14 | ??? |
| Military Hospital of San Prudencio, Vitoria, Spain | Director | 1936-11-26 | ??? |
| Military Hospital Valdemoro, Valdemoro, Spain | Head | 1937-04-14 | ??? |
| Faculty of Medicine, University of Vallodolid, Valladolid, Spain | Temporary Assistant Professor in Pathology and Clinical Medicine | 1939-09-12 | ??? |
| Faculty of Medicine, University of Madrid, Madrid, Spain | Temporary Assistant Professor in Internal Pathology | 1941-01-27 | ??? |
| Statistische Abteilung, William-Kerckhoff-Institut, William G. Kerckhoff-Stiftung, Bad Nauheim, Germany | Fellow / study visit | 1942-01-01 | 1942-10-31 |
| Institute of Medical and Clinical Pathology, Faculty of Medicine, University of Seville, Seville, Spain | ??? | 1944-12-01 | ??? |
| Faculty of Medicine, University of Madrid, Madrid, Spain | PhD-graduate | 1944 | 1944 |
