title: National survey of use of the Angelchik antireflux prosthesis.
mesh_terms: D003625:Data Collection; D004947:Esophagus / Q000601:surgery; D005764:Gastroesophageal Reflux / Q000601:surgery*; D006801:Humans; D019736:Prostheses and Implants / Q000009:adverse effects / Q000706:statistics & numerical data*; D012825:Silicon; D006113:United Kingdom
chemical_list: D012825:Silicon