TY - GEN AU - Williams,S M AU - Harned,R K TI - Double versus single contrast gastrointestinal radiology SN - 0363-0188 PY - 1983///0708 KW - Air KW - Barium Sulfate KW - Colonic Diseases KW - diagnostic imaging KW - Crohn Disease KW - Digestive System KW - Digestive System Diseases KW - Esophageal Neoplasms KW - Esophagitis KW - Gastrectomy KW - Gastric Fundus KW - Gastric Mucosa KW - Gastritis KW - Humans KW - Intestinal Neoplasms KW - Intestinal Polyps KW - Intestine, Small KW - Methods KW - Postoperative Care KW - Radiography KW - Stomach Diseases KW - Stomach Ulcer N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1016/0363-0188(83)90024-5 ER -