Complex sentence: The extreme materialism of this work caused so much opposition that he was compelled to give up his post at Tübingen, and he retired to Darmstadt, where he practiced as a physician and contributed regularly to pathological and physiological magazines.
Split into simpler sentences: The extreme materialism of this work excited so much opposition that he was compelled to give up his post at Tübingen. He retired to Darmstadt, where he practiced as a physician and contributed regularly to pathological and physiological magazines.