송형근, 이종흔. (1989). 구호흡과 호기중 이산화탄소 함량간의 상호관계에 관한 연구. International Journal of Oral Biology, 13(2), 127-135.
Hyung Geun Song, Jong Heun Lee. (1989). CORELATION BETWEEN ORAL RESPIRATION AND CARBON DIOXIDE CONCENTRATION OF EXPIRED GAS. International Journal of Oral Biology, 13(2), 127-135.