Correspondence (letter to the editor): Targeted second-line treatment.
Jantsch
Jonathan
J
Bogdan
Christian
C
D016099:Endoscopy, Gastrointestinal / Q000639:trends*; D005762:Gastroenterology / Q000639:trends*; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D010818:Practice Patterns, Physicians' / Q000639:trends*; D011379:Prognosis; D016896:Treatment Outcome