PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18975117-4 2009 GRPR analogs have been used as carriers to deliver drugs, radionuclides and cytotoxins to target various cancer types that are GRPR positive. Radioisotopes 58-71 gastrin releasing peptide receptor Homo sapiens 0-4