PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24266925-7 2013 Deletion of CD39 and/or CD73 decreased the collagen content, and prevented skin thickening and tensile strength increase after bleomycin challenge. Bleomycin 127-136 ectonucleoside triphosphate diphosphohydrolase 1 Mus musculus 12-16