array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(10035394) ["publisher_code"]=> int(84) ["base_code"]=> int(4) ["book_code"]=> int(1) ["page"]=> string(3) "106" ["sort"]=> int(44) ["body"]=> string(100) "1) Massaro D. The 20th century in respiratory physiology:One View. Annu Rev Physiol 62:951-960, 2000" ["mol"]=> NULL ["pubmed"]=> string(8) "10845120" ["doi"]=> string(32) "10.1146/annurev.physiol.62.1.951" ["group_id"]=> int(3) ["internal_flag"]=> bool(false) } }