PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2768555-1 1989 The postnatal development of vasoactive intestinal polypeptide (VIP)-immunoreactive neurons, previously labeled with [3H]thymidine on embryonic days E14-E22, has been studied in the rat occipital cortex. 3h]thymidine 118-130 vasoactive intestinal peptide Rattus norvegicus 64-67