car , ▁was ▁later ▁developed ▁into ▁Is c ador ▁and ▁has ▁become ▁an ▁approved ▁cancer ▁treatment ▁in ▁Germany ▁and ▁a ▁number ▁of ▁other ▁countries , ▁and ▁is ▁under going ▁clin ical ▁tri als ▁in ▁the ▁U . S . A . ▁ ▁By ▁ 1 9 1 9 ▁she ▁had ▁a ▁joint ▁practice ▁together ▁with ▁two ▁other ▁do ctors , ▁also ▁women . ▁In ▁ 1 9 2 0 ▁she ▁purchased ▁land ▁in ▁Ar les heim , ▁where ▁she ▁opened ▁her ▁own ▁clin ic , ▁the ▁K lin isch - Th era pe ut isches ▁Institut , ▁or ▁C lin ical - Th era pe ut ic ▁Institute , ▁the ▁next ▁year . ▁A ▁number ▁of ▁other ▁do ctors ▁joined ▁the ▁inst itute , ▁which ▁grew ▁stead ily ▁over ▁the ▁next ▁years ▁as ▁a ▁first ▁center ▁for ▁anth ro pos oph ical ▁medicine . ▁ ▁In ▁ 1 9 2 2 ▁she ▁founded ▁a ▁th era pe ut ic ▁home ▁for ▁ment ally ▁hand ic apped ▁children , ▁Haus ▁S onnen hof , ▁also ▁in ▁Ar les heim , ▁and ▁co - f ounded ▁a ▁ph arma ce ut ical ▁labor atory , ▁We led a , ▁that ▁has ▁since ▁grown ▁into ▁a ▁significant ▁producer ▁of ▁medic ines ▁and ▁health - care ▁products . ▁ ▁In ▁the ▁following ▁year , ▁Rudolf ▁Ste iner ▁asked ▁Weg man ▁to ▁join ▁the ▁Executive ▁Council ▁of ▁the ▁newly ▁reform ed ▁Anth ro pos oph ical ▁Society ▁at ▁the ▁Go ethe an um ▁in ▁D orn ach ,