Acute free perforation of gastric and duodenal ulcers.

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@article{Blomquist1957AcuteFP, title={Acute free perforation of gastric and duodenal ulcers.}, author={Harry E. Blomquist and Gunnar Fock}, journal={Acta chirurgica Scandinavica}, year={1957}, volume={112 3-4}, pages={259-70} }