Upregulation of the δ opioid receptor in liver cancer promotes liver cancer progression both in vitro and in vivo
International Journal of Oncology (2013) - Comments
doi: 10.3892/ijo.2013.2046  issn: 1019-6439  issn: 1791-2423  pubmed: 23903826 

BO TANG, YANG LI, SHENGGUANG YUAN, STEPHEN TOMLINSON, SONGQING HE