array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9663907) ["publisher_code"]=> int(54) ["base_code"]=> int(147) ["book_code"]=> int(1) ["page"]=> string(3) "100" ["sort"]=> int(52) ["body"]=> string(118) "1) B Bates (ed):A Guide to Physical Examination and History Taking. 6th ed, JB Lippincott Company, Philadelphia, 1995." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(4) ["internal_flag"]=> bool(false) } }