P223 Dermatological surveillance of inflammatory bowel disease patients treated with biological therapy von Katsanos, K.H., Sigounas, D.E., Tatsioni, A., Gaitanis, G., Feidi, E., Karavasili, N., Vagias, I., Christodoulou, D.K., Mpasoukas, I., Tsianos, E.V.

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