array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9903038) ["publisher_code"]=> int(61) ["base_code"]=> int(48) ["book_code"]=> int(1) ["page"]=> string(3) "108" ["sort"]=> int(111) ["body"]=> string(165) "1) Goldhaber S Z, et al:Acute pulmonary embolism:clinical outcomes in the International Cooperative Pulmonary Embolism Registry (ICOPER). Lancet 353:1386-1389, 1999." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(29) "10.1016/S0140-6736(98)07534-5" ["group_id"]=> int(9) ["internal_flag"]=> bool(false) } }