Cohort study of fever and leukocytosis as diagnostic and prognostic indicators in infected surgical patients
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
Randomized double-blind controlled trial of roxithromycin for prevention of abdominal aortic aneurysm expansion
Blunt abdominal trauma: screening US in 2693 patients
Prospective randomized comparison of two preoperative skin preparation techniques in developing world country
Randomized study to examine the value of on - table inspection of the appendix mucosa
Carcinoma in the porcelain gallbladder: a relationship revisited
Randomized prospective evaluation of frozen - section analysis for follicular neoplasms of the thyroid
Kryteria wyboru badań i słownik podstawowych pojęć
Kryteria wyboru badań i słownik podstawowych pojęć