PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15470637-6 2004 The spatial pattern of beta-gal staining was more restricted in bone and in bone marrow stromal cultures established from Col 2.3-Cre;R26R mice. beta-D-galactose 23-31 collagen, type II, alpha 1 Mus musculus 122-127