array(2) { [0]=> int(5) [1]=> array(12) { ["ref_doc_id"]=> int(8939279) ["publisher_code"]=> int(28) ["base_code"]=> int(18) ["book_code"]=> int(1) ["page"]=> string(3) "103" ["sort"]=> int(122) ["body"]=> string(118) "1) Stuck AE, et al:Comprehensive geriatric assessment:a meta-analysis of controlled trials. Lancet 1993;342:1032-1046." ["mol"]=> NULL ["pubmed"]=> string(7) "8105269" ["doi"]=> string(28) "10.1016/0140-6736(93)92884-V" ["group_id"]=> int(2) ["internal_flag"]=> bool(false) } }