TY - JOUR AU - Molderings, G J; Kolck, U; Scheurlen, C TI - Systemic mast cell disease with gastrointestinal symptoms – a diagnostic questionaire JO - DMW VL - 131 PY - 2006 DO - 10.1055/s-2006-951337 SP - 2095 EP - 2100 N1 - et al. ER -