TY - GEN AU - Heyder,N TI - [Diagnosis of gastroenterologic diseases with sonography. Part 2: Gallbladder and bile ducts] SN - 0015-8178 PY - 1992///0226 KW - Bile Duct Diseases KW - diagnostic imaging KW - Bile Duct Neoplasms KW - Cholelithiasis KW - Diagnosis, Differential KW - Gallbladder Diseases KW - Gallbladder Neoplasms KW - Humans KW - Ultrasonography N1 - Publication Type: Journal Article; Review ER -