array(2) { [0]=> int(3) [1]=> array(12) { ["ref_doc_id"]=> int(8078964) ["publisher_code"]=> int(3) ["base_code"]=> int(67) ["book_code"]=> int(1) ["page"]=> string(3) "119" ["sort"]=> int(66) ["body"]=> string(115) "1) Albright F, Smith PH, Richardson AM:Postmenopausal osteoporosis:its clinical features. JAMA 116:2465-2474, 1941." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(32) "10.1001/jama.1941.02820220007002" ["group_id"]=> int(2) ["internal_flag"]=> bool(false) } }