Of 18 double-blind, placebocontrolled clinical trials in the past 15 years, 16 confirmed the effectiveness of SLIT in reducing patients' reactivity to grass pollen, house dust mites or birch pollen.
Of 18 double-blind, placebocontrolled clinical trials in the past 15 years, 16 confirmed the effectiveness of SLIT in reducing patients' reactivity to grass pollen, house dust mites or birch pollen.
过去15年来，进行过18次包含安慰剂对照组的双盲临床试验，其中有16次证实了SLIT有效降低了病人对野草花粉、室内尘蟎或桦树花粉的反应。