11盐酸美沙酮片维持治疗重度或难治性癌性疼痛310例的临床观察黄诚,陈奕贵,张晶,解方为,柯明耀,陈群,吕晓君,陈毅德,陈樟树,王馨,张江灵,詹颖,庞红霞,兰祚均,林小燕,许慎,殷小健论著1107-1112