array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8131684) ["publisher_code"]=> int(4) ["base_code"]=> int(52) ["book_code"]=> int(1) ["page"]=> string(3) "100" ["sort"]=> int(54) ["body"]=> string(147) "1) Brice M II, Marshall V F, Green J L. and Whitmore W F Jr.:Simple total cystectomy for carcinoma of the urinary bladder. Cancer, 9:576-584, 1956." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(66) "10.1002/1097-0142(195605/06)9:3<576::AID-CNCR2820090324>3.0.CO;2-#" ["group_id"]=> int(2) ["internal_flag"]=> bool(false) } }