array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9509879) ["publisher_code"]=> int(48) ["base_code"]=> int(32) ["book_code"]=> int(1) ["page"]=> string(3) "101" ["sort"]=> int(53) ["body"]=> string(47) "1) Morita H et al:Circulation 103:133-139, 2001" ["mol"]=> NULL ["pubmed"]=> string(8) "11136698" ["doi"]=> string(24) "10.1161/01.CIR.103.1.133" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }