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Anglo-Swiss Colo-Proctology Meeting, Jean-Claude Givel, and Frédéric Saegesser. Colo-proctology ; [Anglo-Swiss Colo-Proctology Meeting, Lausanne, 1983]: Edited by J.-Cl. Givel and F. Saegesser. Berlin ; Heidelberg ; New York ; Tokyo: Springer, 1984.

Anglo-Swiss Colo-Proctology Meeting, et al. Colo-proctology ; [Anglo-Swiss Colo-Proctology Meeting, Lausanne, 1983]: Edited by J.-Cl. Givel and F. Saegesser. Springer, 1984.