637-Human Serum Albumin (IMAGE) Neural Regeneration Research Caption Immunohistochemical staining revealed that single-chain variable domain fragment 637-human serum albumin can bind to acetylcholine receptor in situ at neuromuscular junctions of human intercostal muscle. Credit <i>Neural Regeneration Research</i> 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.