array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8077767) ["publisher_code"]=> int(3) ["base_code"]=> int(59) ["book_code"]=> int(1) ["page"]=> string(3) "110" ["sort"]=> int(92) ["body"]=> string(185) "1) American College of Rheumatology Subcommittee on Rheumatoid Arthritis Guidelines: Guidelines for the management of rheumatoid arthritis 2002 update. Arthritis Rheum 46:328-346, 2002." ["mol"]=> NULL ["pubmed"]=> string(8) "11840435" ["doi"]=> string(17) "10.1002/art.10148" ["group_id"]=> int(7) ["internal_flag"]=> bool(false) } }