array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9517628) ["publisher_code"]=> int(48) ["base_code"]=> int(70) ["book_code"]=> int(1) ["page"]=> string(3) "135" ["sort"]=> int(14) ["body"]=> string(104) "1) Zetterman RK:Primary care management of the liver transplant patient. Am J Med 96 (S1A):10S-17S, 1994" ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(28) "10.1016/0002-9343(94)90184-8" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }