DREWS J./red./ 531.823 Changes in the medical panorama.Proceedings of the Second C.H.Boehringer Symposium held at Kronherg,Taunus 5-7 May 1977.Ed.by G.Schettler, J.Drews,H. Greten.Comp.by P.W.Taylor,A.Weizel. Stuttgart 1978 Georg Thieme Verl. 8 s. VII,nlb.1, 150, il.