在黑暗中寻求光明，勇敢面对无尽挑战。69蝴蝶交友论坛

　　Dr. Paul Ehrlich was the German physician who developed the first synthetic antimicrobial drug, 606 or Salvarsan. The film describes how Ehrlich first became interested in the properties of the then-new synthetic dyes and had an intuition that they could be useful in the diagnosis of bacterial diseases. After this work met with success, Ehrlich proposed that synthetic compounds... (展开全部)