Examination extent landmark:Anat:Stdy:Gastrointestinal tract.lower:Nom:Flexible sigmoidoscopy
examination extent landmark:anat:stdy:gastrointestinal tract.lower:nom:flexible sigmoidoscopy
Examination extent landmark:Anatomy:Duration of the study:Gastrointestinal tract.lower:Nominal:Flexible sigmoidoscopy
examination extent landmark:anatomy:duration of the study:gastrointestinal tract.lower:nominal:flexible sigmoidoscopy