Effects of endogenous and synthetic opioid peptides on neutrophil function in vitro A. Menzebach, J. Hirsch, G. Hempelmann, and I. D. Welters是什么意思_Effects of endogenous and synthetic opioid peptides on neutrophil function in vitro A. Menzebach, J. Hirsch, G. Hempelmann, and I. D. Welters在线翻译_英语_读音_用法_例句