Detection of focal liver lesions at biphasic spiral TK: Randomized double-blind study of the effect of iodine concentration in contrast materials
Symptom relief in gastrointestinal reflux disease: a randomized, controlled comparison of pantoprazole and nizatidine in a mixed patient population with erosive esophagitis or endoscopy-negative reflux disease
Patient-controlled sedation with propofol for colonoscopy
Randomized clinical trial of stapled versus Milligan-Morgan haemorrhoidectomy
Endoscopic papillary balloon dilatation vs sphincterotomy for removal of common bile stones: a prospective, randomized pilot study
Blunt abdominal trauma: screening US in 2693 patients
Evaluation of suspected appendicitis in children using limited helical CT and colonic contrast material
Kryteria wyboru badań i słownik podstawowych pojęć
Kryteria wyboru badań i słownik podstawowych pojęć