Bhattacharyya, Pallav, Prajapat, Deepak, Kumar, Kanishka, Talwar, Dhruv, Pahuja, Saurabh, Prakash, Anupam, AND Talwar, Deepak. " Advanced Pulmonary Sarcoidosis in India: a single centre experience in North India" Medical Research Archives [Online], Volume 13 Number 1 (24 January 2025)