array(2) { [0]=> int(0) [1]=> array(12) { ["ref_doc_id"]=> int(8952827) ["publisher_code"]=> int(28) ["base_code"]=> int(53) ["book_code"]=> int(1) ["page"]=> string(3) "101" ["sort"]=> int(86) ["body"]=> string(92) "1. Kopell HP, Thompson WA. Pain and the frozen shoulder. Surg Gynecol Obstet 1959; 109:92-6." ["mol"]=> NULL ["pubmed"]=> string(8) "13668845" ["doi"]=> NULL ["group_id"]=> int(7) ["internal_flag"]=> bool(false) } }