| authentication of the 31 species of toxic and potent chinese materia medica (t/pcmm) by microscopic technique, part 1: three kinds of toxic and potent animal cmm. | microscopic authentication is an effective method for quality control of chinese materia medica (cmm) because of its speed, convenience and low cost. however, the application of modern microscopic technique in quality evaluation of toxic and potent chinese materia medica (t/pcmm) of animal origin is seldom reported. this gap in published knowledge is increasingly serious because confusion in t/pcmm has led to serious medical problems in china and other countries in recent years. to ensure the sa ... | 2007 | 17661389 |