array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9631532) ["publisher_code"]=> int(54) ["base_code"]=> int(75) ["book_code"]=> int(1) ["page"]=> string(3) "100" ["sort"]=> int(136) ["body"]=> string(121) "1) Katz WK:Rheumatic Diseases, diagnosis and management. p. 252-262, J. B. Lippincott Company 1977, Philadelphia, Toronto" ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(5) ["internal_flag"]=> bool(false) } }