array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9402811) ["publisher_code"]=> int(39) ["base_code"]=> int(102) ["book_code"]=> int(1) ["page"]=> string(3) "104" ["sort"]=> int(116) ["body"]=> string(91) "1) Girvin F,Ko JP:Pulmonary Nodules:Detection,Assessment,and CAD.AJR 191(4):1057-1069,2008." ["mol"]=> NULL ["pubmed"]=> string(8) "18806142" ["doi"]=> string(19) "10.2214/AJR.07.3472" ["group_id"]=> int(16) ["internal_flag"]=> bool(false) } }