权威例句
Risk of colorectal cancer in families of patients with adenomatous polypsDo characteristics of adenomas on flexible sigmoidoscopy predict advanced lesions on baseline colonoscopy?Strong Parties and Lame Ducks: Presidential Partyarchy and Factionalism in Venezuela by Michael CoppedgeGooglearchy: How a Few Heavily-Linked Sites Dominate Politics on the WebClinical and bacteriologic survey of epidural analgesia in patients in the intensive care unitRisk of submucosal saline injection for colonic polypectomy.The Scandal of the Whorearchy: Prostitution in Colonial Nairobi"Control in multinational firms : tThe role of price and jierarchy"Control in multinational firms: tThe role of price and jierarchyIs penicillin G an adequate initial treatment for aspiration pneumonia?