[Necessary and superfluous technics in gastric diagnostics].

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@article{Haemmerli1968NecessaryAS, title={[Necessary and superfluous technics in gastric diagnostics].}, author={Urs Peter Haemmerli and Johannes Bircher and R Gassmann and H J Keel and Max L. Hefti and Ethel Hafter and Katrin Huber and Marco Meier}, journal={Schweizerische medizinische Wochenschrift}, year={1968}, volume={98 28}, pages={1032-5} }