Hamman-Rich syndrome | Acute interstitial pneumonitis | Pulmonary Fibrosis | Pulmonary Fibroses | Fibroses, Pulmonary | Fibrosis, Pulmonary | Alveolitis, Fibrosing | Alveolitides, Fibrosing | Fibrosing Alveolitides | Fibrosing Alveolitis | Hamman-Rich Syndrome | Hamman Rich Syndrome | Syndrome, Hamman-Rich |