引药下行 Guide herb

引经药 Medicinal guides ; channel ushering drug

药引 medicinal usher ; guiding drug ; guiding herbs

引火药 [化工] ignition charge

精确导引弹药 precision-guided munition

中药引起的药物性肝病 drug-induced liver disease

药物引致的精神欣快症 euphoria

美国药物索引 American Drug Index

药物引起骨坏死 Osteonecrosis due to drugs