PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20028218-10 2010 Further, the clusters formed in the presence of Nell-1 contained more type II collagen and glycosaminoglycans than clusters formed within Nell-free control gels. Glycosaminoglycans 91-109 neural EGFL like 1 Homo sapiens 48-54