PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6931740-1 1980 The effect of cyclophosphamide and N-nitrosomethylurea(NMU) was intensified by combining these alkylizing substances. Cyclophosphamide 14-30 neuromedin U Rattus norvegicus 55-58