array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(9246811) ["publisher_code"]=> int(36) ["base_code"]=> int(46) ["book_code"]=> int(1) ["page"]=> string(3) "109" ["sort"]=> int(45) ["body"]=> string(145) "1) Friis-Hansen, B. Body water components in children : changes during growth and related changes in body composition. Pediatrics. 28, 1961, 169." ["mol"]=> NULL ["pubmed"]=> NULL ["doi"]=> NULL ["group_id"]=> int(6) ["internal_flag"]=> bool(false) } }