array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9606307) ["publisher_code"]=> int(54) ["base_code"]=> int(11) ["book_code"]=> int(1) ["page"]=> string(3) "105" ["sort"]=> int(169) ["body"]=> string(198) "1) Rude RE, Poole WK, Muller JE, et al:Electrocardiographic and clinical criteria for recognition of acute myocardial infarction based on analysis of 3, 697 patients. Arn J Cardiol 52:936-942, 1983." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(28) "10.1016/0002-9149(83)90508-8" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }