Scleroderma lung disease: A scleroderma physiologic index (SPI) derived from lung physiology and oxygen saturation
Katerina Antoniou, David Hansell, Nicole Goh, Katerina Samara, Elizabeth Renzoni, Maher Toby, Nikos Siafakas, Athol Wells
European Respiratory Journal 2013 42: P5119; DOI: