The incidence rate of surgical interventions in patients with Crohn’s disease treated with anti-tumour necrosis factor biologics - Sobolewska-Włodarczyk, Aleksandra; Zielińska, Anna; Siwiński, Paweł; Jędraszczyk, Ewa; Stec-Michalska, Krystyna; Włodarczyk, Marcin; Wiśniewska-Jarosińska, Maria (Folia Medica Cracoviensia, 2017)