TY - GEN AU - Tzilas,Vasilios AU - Bouros,Demosthenes TI - Cardiopulmonary Exercise Testing in Systemic Sclerosis: 'Ars longa, vita brevis' SN - 1423-0356 PY - 2016///0824 KW - Exercise Test KW - Humans KW - Scleroderma, Systemic N1 - Publication Type: Editorial; Comment UR - https://doi.org/10.1159/000444091 ER -