Authors: R Zenker; W Klinner; F Sebening; H Meisner; P Schmidt-Habelmann; E Struck; R Beer; K Messmer; W Rudolph; A Schauer Journal: Munch Med Wochenschr Date: 1969-04-04
Authors: R C Lillehei; R L Simmons; J S Najarian; R Weil; H Uchida; J O Ruiz; C M Kjellstrand; F C Goetz Journal: Ann Surg Date: 1970-09 Impact factor: 12.969