Introducing Anthroposophical Medicine is a cycle of 20 lectures by Rudolf Steiner given to invited Medical Doctors and Students in Dornach, Switzerland from March 21 to April 9, 1920 (CW 312)
For your convenience, below is a zip file of this entire set of lectures. It does require that you have an unzipping utility of some kind on your computer. For you mac people this is built in.