array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9231745) ["publisher_code"]=> int(35) ["base_code"]=> int(17) ["book_code"]=> int(1) ["page"]=> string(3) "113" ["sort"]=> int(10) ["body"]=> string(246) "1) Ray WA, Murray KT, Hall K, Arbogast PG, Stein CM : Azithromycin and the risk of cardiovascular death. N Engl J Med. 2012 May 17 ; 366 (20) : 1881-1890. doi : 10.1056/NEJ Moa 1003833. PubMed PMID : 22591294 ; Pub Med Central PMCID : PMC3374857." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> string(21) "10.1056/NEJMoa1003833" ["group_id"]=> int(9) ["internal_flag"]=> bool(false) } }