purified protein derivative, PPD
purified protein derivative, PPD
[微生物学英汉词典]
purified protein derivative, PPD纯化蛋白衍生物
是什么意思，purified protein derivative, PPD的解释，purified protein derivative, PPD的翻译
purified protein derivative, PPD
[微生物学英汉词典]
purified protein derivative, PPD是什么意思，purified protein derivative, PPD的解释，purified protein derivative, PPD的翻译