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Characteristics of Patients of Each Groups
Group A, dimethylpolysiloxane (DMPS), sodium bicarbonate and pronase with 10 minutes premedication time; Group B, DMPS and sodium bicarbonate with 10 minutes premedication time; Group C, DMPS, sodium bicarbonate and pronase with 20 minutes premedication time; Group D, DMPS and sodium bicarbonate with 20 minutes premedication time. ECG, early gastric cancer.
