title: The missing ring sign.
authors: Justin T
authors: JT
authors: Kupec
authors: Stephan U
authors: SU
authors: Goebel
mesh_terms: D000172:Acromegaly / Q000209:etiology*; D000236:Adenoma / Q000175:diagnosis*; D016099:Endoscopy, Gastrointestinal; D005260:Female; D005385:Fingers; D019382:Human Growth Hormone / Q000378:metabolism; D006801:Humans; D007334:Insulin-Like Growth Factor I / Q000032:analysis; D055498:Jewelry; D008875:Middle Aged; D009325:Nausea / Q000209:etiology; D010911:Pituitary Neoplasms / Q000175:diagnosis*; D014839:Vomiting / Q000209:etiology
chemical_list: D019382:Human Growth Hormone; D007334:Insulin-Like Growth Factor I