PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1744560-6 1991 IGF-I activity, measured by 35SO4 incorporation into oral cartilage explants in vitro, was decreased 50% by hypophysectomy and increased to 200% of intact control levels after injection of 1000 ng tGH/g. 35so4 28-33 IGFI Bos taurus 0-5