Collagen fibres (IMAGE) City University of Hong Kong Caption Small intestine submucosa collagen fibres observed under an atomic force microscope. Credit Z. Zhang, S. Liu, et al. / DOI number: 10.1002/adma.202200864 Usage Restrictions Image must be used with appropriate caption and credit. 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.