Connective tissue disease-associated interstitial lung disease – A multicenter observational study from India oleh Sham Santhanam, Pravin Patil, Mohit Goyal, C B Mithun, Parthajit Das, Kavitha Mohanasundaram, Neeraj Jain, Vijaya Prasanna, Keerthi Talari, Himanshu Pathak, Parshant Aggarwal, Deepika Ponnuru, Vikram Raj Jain, Sharath Kumar