array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9630266) ["publisher_code"]=> int(54) ["base_code"]=> int(72) ["book_code"]=> int(1) ["page"]=> string(3) "103" ["sort"]=> int(114) ["body"]=> string(174) "1) Kasugai, T., Kuno, N., and Kizu, M.:Manometric endoscopic retrograde pancreatocholangiography. Technique, significance, and evaluation. Am. J. Dig. Dis., 19:485-502, 1974." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(18) "10.1007/BF01072736" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }