PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23407364-1 2013 20(S)-protopanaxadiol (PPD) is an extract of Panax quinquefolius L. The aim of this study was to investigate the effect of PPD on the antitumor activity and toxicity of cyclophosphamide (CTX) in tumor-bearing mice. Cyclophosphamide 169-185 V-set and immunoglobulin domain containing 2 Mus musculus 187-190