The Korean Journal of Internal Medicine · 1996 · 39 citations · 20 references
Patients with NIP had different clinical features from UIP, AIP and DIP. They also had characteristic findings of radiology and their prognosis seems to be better than UIP.
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Ganesh Raghu, William J. DePaso, Kevin C. Cain et al. · American Review of Respiratory Disease · 1991 · 414 citations