VACUUM CLEANER von CHEON YONG-HEE

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AIR-CONDITIONING BLOWER von CHEON YONG-HEE

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Ventilator for mattress with pedestal von CHEON, YONG HEE

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mattress for ventilator von CHEON, YONG HEE

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AIR MATTRESS von CHEON YONG-HEE

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Air Mattress von CHEON, YONG HEE

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Air blower von CHEON, YONG HEE

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Vacuum cleaner von YONG-HEE CHEON

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The Incidence Rate of the Pneumoconiosis among Retired Coal Miners von Cheon, Yong Hee

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Radiological discrimination of cor pulmonale with pulmonary function and electrocardiography finding in coal workers pneumoconiosis von Cheon, Yong Hee

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Follow up Lower Back Pain Management Method in Lower Back Pain Complaining Workers of Kyungin Area von Cheon, Yong Hee

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Radiological Findings of Low Back Pain Complainers in Some Part of Kyungin area workers von Cheon, Yong Hee

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Factors Affecting Dyspnea in Retired Coal Miners in Korea von Cheon, Yong Hee, Chang, Sei Jin, Cha, Bong Suk

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Chronic fatigue syndrome in workers of Bucheon, Kimpo and Bupyung area von Cheon, Yong Hee

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Toxic encephalopathy in a worker exposed to organic solvents; a case report von Cheon, Yong Hee

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ECG Sign of Cor Pulmonale in Coal Workers' Pneumoconiosis Died from Cardio-respiratory faiture von Cheon, Yong Hee, Shin, Kye Chul

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탄광부진폐증에서 Nifedipine의 투여와 음영의 크기에 따른 폐장확산기능의 변화 von 천용희, Cheon, Yong-Hee

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탄광부진폐증 환자에서 기관지확장제 투여 중단 후의 노력성폐활량 및 일초폐활량의 변화 von 천용희, Cheon, Yong-Hee

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탄광부 진폐증자의 일초폐활량($FEV_{1.0}$)과 폐성심의 심전도 소견 von 천용희, Cheon, Yong-Hee

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Lacquer-thinner 사용근로자의 자각증상호소에 관여하는 변수에 관한 연구 von 천용희, Cheon, Yong-Hee

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