PF	Pulmonary fibrosis
SARS	Severe acute respiratory syndrome
FVC	Forced vital capacity
TLC	Total lung capacity
DLco	Diffusion capacity for carbon monoxide
IPF	Idiopathic Pulmonary Fibrosis
ARDS	Acute respiratory distress syndrome
AECs	Alveolar epithelial cells
TGF	Transforming growth factor
ECM	Extracellular matrix
ERK	Extracellular-signal-regulated kinase
IFN	Interferon gamma
IL	Interleukin
TNF	Tumor necrosis factor
PDGF	Platelet-derived growth factor
ROS	Reactive oxygen species
TMRSS	Transmembrane Serine Protease
ACE	Angiotensin-converting enzyme
ICU	Intensive care unit
FDA	Food and Drug Administration