array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9688799) ["publisher_code"]=> int(54) ["base_code"]=> int(238) ["book_code"]=> int(1) ["page"]=> string(3) "106" ["sort"]=> int(113) ["body"]=> string(194) "1) Castellanet M. J, et al : Comparison of 'ST segment changes on exercise testing with angiographic findings in patients with prior myocardial infarction., Amer. J. Cardiol. 42 : 29, 1978." ["mol"]=> NULL ["pubmed"]=> string(6) "677032" ["doi"]=> string(28) "10.1016/0002-9149(78)90980-3" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }