A new disk method for the endoscopic determination of gastric ulcer area.
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T. Katsumata | H Okabe | M Ohida | N Okada | T Mitsuhashi | T Katsumata | K Saigengi | K Nakahashi | T. Mitsuhashi | K. Nakahashi | M. Ohida | H. Okabe | K. Saigengi | N. Okada
[1] A. Sonnenberg,et al. How reliable is determination of ulcer size by endoscopy? , 1979, British medical journal.