array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8144416) ["publisher_code"]=> int(4) ["base_code"]=> int(101) ["book_code"]=> int(1) ["page"]=> string(3) "111" ["sort"]=> int(126) ["body"]=> string(145) "1) Gratzner, H. G.: Monoclonal antibody to 5-bromo-and 5-iododeoxyuridine: anew reagent for detection of DNA replication. Science 218: 474, 1982." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(23) "10.1126/science.7123245" ["group_id"]=> int(4) ["internal_flag"]=> bool(false) } }