PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30845974-7 2019 Mothers" milk Preptin is positively correlated with serum Preptin and calcium in non-rachitic children(P < 0.001&0.04), but negatively correlated with their mothers" age (P < 0.01). Calcium 70-77 insulin like growth factor 2 Homo sapiens 14-21