Prepyloric ulcer. Endoscopic view of a benign (non-cancerous) prepyloric ulcer in the stomach. | |
Licence : | Droits gérés |
Crédit : | Science Photo Library / Gastrolab |
Model Release : | Non requis |
Property release : | Non requis |
Durée : | 13 Secondes |
Aspect ratio : | 4/3 |
Restrictions : | - |