PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17669888-4 2007 The most predictable test is the ratio of phosphomonoester on inorganic phosphorus (PME/Pi) that can be obtained from (31)P spectroscopy. inorganic phosphorus 62-82 cystatin B Homo sapiens 84-87