array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8131569) ["publisher_code"]=> int(4) ["base_code"]=> int(51) ["book_code"]=> int(1) ["page"]=> string(3) "101" ["sort"]=> int(69) ["body"]=> string(125) "1) Mishina. T., Oda. K., Murata. S.: Mitomycin C bladder instillation therapy for bladder tumors. J. Urol. 114:217-219, 1975." ["mol"]=> NULL ["pubmed"]=> string(7) "1159911" ["doi"]=> string(29) "10.1016/S0022-5347(17)66989-1" ["group_id"]=> int(2) ["internal_flag"]=> bool(false) } }