Stell P M, McGill T
J Laryngol Otol. 1975 May;89(5):513-7. doi: 10.1017/s0022215100080683.
One hundred and nineteen male patients with squamous carcinoma of the larynx and 119 matched controls with various non-malignant diseases were questioned about their exposure to asbestos. Thirty-three patients and three controls had experienced an important degree of exposure to asbestos. The difference between the two groups was statistically highly significant.
对119例喉鳞状癌男性患者和119例患有各种非恶性疾病的匹配对照者询问了他们接触石棉的情况。33例患者和3例对照者曾有过重要程度的石棉接触。两组之间的差异在统计学上具有高度显著性。