Pindborg J J, Bhonsle R B, Murti P R, Gupta P C, Daftary D K, Mehta F S
Oral Surg Oral Med Oral Pathol. 1980 Jul;50(1):40-4. doi: 10.1016/0030-4220(80)90329-1.
The yearly incidence of submucous fibrosis per 100,000 person-years was found to be 9 for males and 20 for females over a 10-year period in the Ernakulam district of Kerala, South India. In the same area possible early case of submucous fibrosis, under the clinical diagnosis of leukoplakia and lichen planus, showed the typical histologic features of the disease.
在印度南部喀拉拉邦的埃纳库拉姆地区，为期10年的研究发现，每10万人年的男性黏膜下纤维化年发病率为9例，女性为20例。在同一地区，临床诊断为白斑和扁平苔藓的可能早期黏膜下纤维化病例显示出该病典型的组织学特征。
