Authors: P Weidmann; R de Chatel; A Schiffmann; E Bachmann; C Beretta-Piccoli; F C Reubi; W H Ziegler; W Vetter Journal: Klin Wochenschr Date: 1977-08-01
Authors: A Studer; T Lüscher; P Greminger; F H Epstein; J Grimm; E P Leumann; W Tenschert; W Siegenthaler; W Vetter Journal: Klin Wochenschr Date: 1982-03
Authors: T Lüscher; W Tenschert; A Salvetti; R Pedrinelli; R Maurer; F Turini; G Maltinti; H Vetter; W Vetter Journal: Klin Wochenschr Date: 1984-05-15