TY - STAND AU - J. Lewis AU - F. Aberra AU - G. Lichtenstein AU - W. Bilker AU - C. Brensinger AU - B. Strom BT - Gastroenterology M1 - 3 PY - 2004 SP - 665 EP - 73 T2 - Gastroenterology TI - Seasonal variation in flares of inflammatory bowel disease VL - 126 SN - 0016-5085 (Print) 0016-5085 ER -