Fibre-optic upper-gastrointestinal endoscopy on 300 patients.

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@article{Tsega1977FibreopticUE, title={Fibre-optic upper-gastrointestinal endoscopy on 300 patients.}, author={Edemariam Tsega}, journal={Ethiopian medical journal}, year={1977}, volume={15 2}, pages={49-53} }