PPD-S
英
美
- PurifiedProteinDerivativeStandard
- PPD abbr.已付的(=postpaid)abbr.预付的(=prepaid)abbr.程序设计指示(=ProgramPlanningDirectives)
- PPD-S PurifiedProteinDerivativeStandard
- PPD-T (=purifiedproteinderivative-tween)含吐温纯蛋白衍生物,含吐温标准精制结核菌素
- ppd. postpaid;abbr.;=postpaid
- PPDA 苯二胺