%0 Journal Article %T Echocardiogram: The GPS to GPA's Heart (Granulomatosis with Polyangiitis) %A Amanda Borham %A Manpreet K. Parmar %A Mariam Alikhan %A Vivien M. Hsu %J Archive of "Case Reports in Rheumatology". %D 2019 %R 10.1155/2019/7609386 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6360069/