TY - GEN AU - SCHUMANN,H J TI - [Gastroduodenal ulcer as a so-called 2d disease (Roessle) in cholelithiasis] SN - 0367-3480 PY - 1998///1101 KW - Cholelithiasis KW - complications KW - Humans KW - Peptic Ulcer N1 - Publication Type: Journal Article ER -