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							Ryosuke MURAKAMI
														
									Department of Mass Survey for Gastroenterological Cancer
							 
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							Kiyoshi IMANISHI
														
									Department of Mass Survey for Gastroenterological Cancer
							 
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							Toru OTANI
														
									Department of Mass Survey for Gastroenterological Cancer
							 
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							Katsumi NAKANISHI
														
									Department of Mass Survey for Gastroenterological Cancer
							 
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							Hideaki TSUKUMA
														
									Department of Field Research
							 
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							Hideki ISHIKAWA
														
									The 10th Department, Research Institute, Center for Adult Diseases, Osaka
							 
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							Nobuo MIKI
														
									The 1st Department of Mass Survey, Osaka Cancer Prevention and Detection Center