폐암의 원인과 흡연 [amc 병법]

2015 0:37
Synopsis
02. 최창민 교수 / 서울아산병원 호흡기내과 Q. 담배를 피우지도 않는데 왜 폐암에 걸리나요? 폐암을 일으키는 원인 중 가장 확실한 ...
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