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The “Understanding Pyoderma Gangrenosum, Review and Assessment of Disease Effects (UPGRADE)” Project: a protocol for the development of the core outcome domain set for trials in pyoderma gangrenosum
Pyoderma gangrenosum (PG) is a rare neutrophilic dermatosis that affects approximately 0.3–6 out of every 100,000 people worldwide. Clinical trials are scarce but there is growing interest in using newer and m...