PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11516723-8 2001 Moreover, the detection of mutants at the Aprt locus gives an indication of the potential of etoposide to cause chromosomal mutations that may lead to secondary malignancy. Etoposide 93-102 adenine phosphoribosyltransferase Homo sapiens 42-46