Identifying children with chronic arthritis based on chief complaints: absence of predictive value for musculoskeletal pain as an indicator of rheumatic disease in children
A randomized clinical trial comparing oral ondansetron with placebo in children with vomiting from acute gastroenteritis
Effect of nonoxynol-9 gel on urogenital gonorrhea and chlamydial infection
Neurological sequelae in children born after in-vitro fertilisation: a population-based study
Continuous versus interrupted perineal repair with standard or rapidly absorbed suture after spontaneous vaginal birth: a randomised controlled trial
A randomized controlled trial of early versus "traditional" postoperative oral intake after major abdominal gynecologic surgery
Effectivenes of inpatient and outpatient treatment strategies for women with pelvic inflammatory disease: results from the Pelvic Inflammatory Disease Evaluation and Clinical Health (PEACH) randomized trial
Kryteria wyboru badań i słownik podstawowych pojęć
Kryteria wyboru badań i słownik podstawowych pojęć