Authors: M L Arnal; U Dold; C T Ehlers; E Gögler; H Hamperl; K Karrer; G Oberhoffer; G Ott; W Pascher; A Proppe; O Scheibe; E Schmlling; W Schwab; B Spiessl; R Thurmayer; G P Wildner; F Wustrow Journal: Dtsch Med Wochenschr Date: 1968-04-05 Impact factor: 0.628