array(2) { [0]=> int(12) [1]=> array(12) { ["ref_doc_id"]=> int(9643482) ["publisher_code"]=> int(54) ["base_code"]=> int(101) ["book_code"]=> int(1) ["page"]=> string(3) "105" ["sort"]=> int(220) ["body"]=> string(147) "1) Imai S, Hukuda S, Maeda T: Dually innervating nociceptive networks in the rat lumbar posterior longitudinal ligaments. Spine 20: 2086-2092, 1995" ["mol"]=> NULL ["pubmed"]=> string(7) "8588163" ["doi"]=> string(32) "10.1097/00007632-199510000-00003" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }