Upper Gastrointestinal Tract
by Bryan Warren
92 pages : 21 cm
Gastrointestinal system, diseasesEndoscope and endoscopyGastrointestinal system -- Diseases -- DiagnosisStomach -- Diseases -- DiagnosisEndoscopyUlcersInflammationDigestive organsEndoscopes, GastrointestinalGastroenterologyDigestive SystemUlcer