PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2019328-2 1991 Transient exposure (3-6 hr) to TGF-beta 1 (1-2 ng/ml) on the day after plating resulted in a 1.5- to 2-fold enhancement of accumulation of Alcian blue (pH 1.0)-stainable extracellular matrix 5 days later. Alcian Blue 139-150 transforming growth factor beta 1 Gallus gallus 31-41