array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8062385) ["publisher_code"]=> int(3) ["base_code"]=> int(4) ["book_code"]=> int(1) ["page"]=> string(3) "101" ["sort"]=> int(311) ["body"]=> string(98) "1) Nakahata T:Ex vivo expansion of human hematopoietic stem cells. Int J Hematol 73(1):6-13, 2001." ["mol"]=> NULL ["pubmed"]=> string(8) "11372756" ["doi"]=> string(18) "10.1007/BF02981897" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }