Sharma, B. B., Mishra, D. K., Singh, T., Nargotra, N., Sharma, R. K., & Gupta, P. (2020). Radiological Manifestation of Progressive Massive Fibrosis as a Complication of Silicosis-Case Report. Nepalese Journal of Radiology, 10(1), 34–37. https://doi.org/10.3126/njr.v10i1.29514