array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9642245) ["publisher_code"]=> int(54) ["base_code"]=> int(99) ["book_code"]=> int(1) ["page"]=> string(3) "102" ["sort"]=> int(235) ["body"]=> string(82) "1) De Palma AF:Surgery of the shoulder (3rd ed). Philadelphia, JB Lippincott, 1983" ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }