Lung-on-a-chip Mimics Pulmonary Fibrosis (IMAGE) University at Buffalo Caption The image above shows collagen from a healthy engineered lung tissue. Credit Ruogang Zhao. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.