Background The evaluation of abstracts for scientific meetings has been shown to suffer
from poor inter observer reliability. A measure was developed to assess the formal quality of …

Background Despite smoking being an absolute or relative contraindication for
transplantation, about 11% to 40% of all patients continue or resume smoking …

Methodological flaws, limitations, and inadequate practices in research are well known and
pose threats to the internal validity of any research study. However, there are ways of …

Background: Triple therapy is recommended for Helicobacter pylori eradication, yet
consensus on the duration of treatment is lacking. Aim: To compare the efficacy and safety of …

Objective: Due to the challenges inherent in performing clinical trials in children, a
systematic review of published clinical trials was performed to determine whether the …

Objective: Although a variety of intervention methods have been used to promote Pap test
screening among ethnic minority women in the US, the effectiveness of such interventions is …

Pain Physician: January/February 2009: 12: 73-108 74 www. painphysicianjournal. com
refuted in an experiment in which the independent variables are controlled by the …

Background The aim of this study was to examine the determinants of publication and
whether publication bias occurred in gastroenterological research. Methods A random …

Background/Purpose: More than 97% of the clinical research in pediatric surgery consists of
retrospective data. Although these studies have significant limitations, they fundamentally …

Decisions in healthcare should be based on information obtained according to the principles
of Evidence-Based Medicine (EBM). An increasing number of systematic reviews are …