array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9864316) ["publisher_code"]=> int(57) ["base_code"]=> int(45) ["book_code"]=> int(1) ["page"]=> string(3) "111" ["sort"]=> int(69) ["body"]=> string(61) "1) Papanicolaou:Atlas of Exfoliative Cytology. Harvard, 1963." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(6) ["internal_flag"]=> bool(false) } }