array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8063890) ["publisher_code"]=> int(3) ["base_code"]=> int(8) ["book_code"]=> int(1) ["page"]=> string(3) "101" ["sort"]=> int(274) ["body"]=> string(132) "1) Hirano, T., Akira, S., Taga, T., Kishimoto, T.: Biological and clinical aspects of interleukin 6. Immunol. Today 11:443-449,1990." ["mol"]=> NULL ["pubmed"]=> string(7) "2127356" ["doi"]=> string(28) "10.1016/0167-5699(90)90173-7" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }