Walter George Spencer
European Society for Experimental Surgery
Eckhard Schröder
Nordisk kirurgisk förening. Experimental Research Section. Meeting
John Terblanche
R. W. Dougherty
Senn, Nicholas
Conference on Experimental Medicine and Surgery in Primates, 3d, Lyon 1972
Conference on Experimental Medicine and Surgery in Primates, 2d, New York 1969
Conference on Experimental Medicine and Surgery in Primates (2nd 1969 New York)
J.-F Malgaigne
Frédéric Dubrana
John Milton McCaughan
J. De Boer
International Congress of Cryosurgery (7th 1989 Beijing, China)
United States. Congress. House. Committee on the District of Columbia.
Charles W Cummings
Gerónimo N. Guastavino
Hans Christian Jensenius
Great Britain Parliament House of Commons