array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8121309) ["publisher_code"]=> int(4) ["base_code"]=> int(24) ["book_code"]=> int(1) ["page"]=> string(3) "142" ["sort"]=> int(28) ["body"]=> string(54) "1) 柱 重次:本邦縦隔腫瘍の集計. 日胸外会誌 5:285, 1957." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }