array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8939000) ["publisher_code"]=> int(28) ["base_code"]=> int(17) ["book_code"]=> int(1) ["page"]=> string(3) "112" ["sort"]=> int(27) ["body"]=> string(170) "1) Dixon JM, et al:Symptoms, assessment, and guidelines for referral. In:Dixon JM, et al, editors. ABC of breast disease. 1st ed. London:BMJ Publishing Group;1995. p.1-5." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }