array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9694992) ["publisher_code"]=> int(54) ["base_code"]=> int(256) ["book_code"]=> int(1) ["page"]=> string(3) "123" ["sort"]=> int(44) ["body"]=> string(89) "1) Bland, J. H.: Disturbances of Body Fluid. W. B. Saunders Co. Phila. & London 1962." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(2) ["internal_flag"]=> bool(false) } }