PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17706343-0 2008 A comparative study on Pb2+, Zn2+ and Cd2+ sorption onto zirconium phosphate supported by a cation exchanger. zirconium phosphate 57-76 CD2 molecule Homo sapiens 38-41